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parser in which an application registers handlers for things the
parser might find in the XML document (like start tags). g.h01-ch3a SUSE Linux Enterprise 15 SUSE LLC MIT https://www.suse.com/ System/Libraries https://libexpat.github.io linux x86_64 /sbin/ldconfig g.g. e451efa4a432715f2033cd1a007caf7355595188e70cd36e64c2dc5cd0a0a8ed libexpat.so.1.8.4 root root root root expat-2.4.4-150400.3.25.1.src.rpm expat-32bit libexpat.so.1 libexpat1-32bit libexpat1-32bit(x86-32) @ @ @ @ @ @
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}ZY@YYdY[@WW~W=2.4.5] Fix to CVE-2022-25236
breaks biboumi, ClairMeta, jxmlease, libwbxml,
openleadr-python, rnv, xmltodict
- Added expat-CVE-2022-25236-relax-fix.patch - Security fixes:
* (CVE-2022-25236, bsc#1196025) Expat before 2.4.5 allows
attackers to insert namespace-separator characters into
namespace URIs
- Added expat-CVE-2022-25236.patch
* (CVE-2022-25235, bsc#1196026) xmltok_impl.c in Expat before
2.4.5 does not check whether a UTF-8 character is valid in a
certain context.
- Added expat-CVE-2022-25235.patch
* (CVE-2022-25313, bsc#1196168) Stack exhaustion in
build_model() via uncontrolled recursion
- Added expat-CVE-2022-25313.patch
- The fix upstream introduced a regression that was later
amended in 2.4.6 version
+ Added expat-CVE-2022-25313-fix-regression.patch
* (CVE-2022-25314, bsc#1196169) Integer overflow in copyString
- Added expat-CVE-2022-25314.patch
* (CVE-2022-25315, bsc#1196171) Integer overflow in storeRawNames
- Added expat-CVE-2022-25315.patch - Update to latest version 2.4.4 in SLE-15-SP4 [jsc#SLE-21253] - update to 2.4.4 (bsc#1195217, bsc#1195054):
* Security fixes:
- CVE-2022-23852 -- Fix signed integer overflow
(undefined behavior) in function XML_GetBuffer
that is also called by function XML_Parse internally)
for when XML_CONTEXT_BYTES is defined to >0 (which is both
common and default).
Impact is denial of service or more.
- CVE-2022-23990 -- Fix unsigned integer overflow in function
doProlog triggered by large content in element type
declarations when there is an element declaration handler
present (from a prior call to XML_SetElementDeclHandler).
Impact is denial of service or more.
* Bug fixes:
- xmlwf: Fix a memory leak on output file opening error
* Other changes:
- Version info bumped from 9:3:8 to 9:4:8;
see https://verbump.de/ for what these numbers do
* Drop unused file valid-xhtml10.png - update to 2.4.3 (bsc#1194251, bsc#1194362, bsc#1194474,
bsc#1194476, bsc#1194477, bsc#1194478, bsc#1194479, bsc#1194480):
* CVE-2021-45960 -- Fix issues with left shifts by >=29 places
resulting in
a) realloc acting as free
b) realloc allocating too few bytes
c) undefined behavior
depending on architecture and precise value
for XML documents with >=2^27+1 prefixed attributes
on a single XML tag a la
""
where XML_ParserCreateNS is used to create the parser
(which needs argument "-n" when running xmlwf).
Impact is denial of service, or more.
* CVE-2021-46143 (ZDI-CAN-16157) -- Fix integer overflow
on variable m_groupSize in function doProlog leading
to realloc acting as free.
Impact is denial of service or more.
* CVE-2022-22822 to CVE-2022-22827 -- Prevent integer overflows
near memory allocation at multiple places. Mitre assigned
a dedicated CVE for each involved internal C function:
- CVE-2022-22822 for function addBinding
- CVE-2022-22823 for function build_model
- CVE-2022-22824 for function defineAttribute
- CVE-2022-22825 for function lookup
- CVE-2022-22826 for function nextScaffoldPart
- CVE-2022-22827 for function storeAtts
Impact is denial of service or more. - update to 2.4.2:
* Link againgst libm for function "isnan"
* Include expat_config.h as early as possible
* Autotools: Include files with release archives:
- buildconf.sh
- fuzz/*.c
* Autotools: Sync CMake templates
* docs: Document that function XML_GetBuffer may return NULL
when asking for a buffer of 0 (zero) bytes size
* docs: Fix return value docs for both
XML_SetBillionLaughsAttackProtection* functions
* Version info bumped from 9:1:8 to 9:2:8 - Update to 2.4.1 in SLE-15-SP4 [jsc#SLE-21253]
* Remove expat-CVE-2018-20843.patch upstream - Update to 2.4.1:
* Bug fixes:
- Autotools: Fix installed header expat_config.h for multilib
systems; regression introduced in 2.4.0 by pull request #486
* Other changes:
- Version info bumped from 9:0:8 to 9:1:8; see
https://verbump.de/ for what these numbers do - Update to 2.4.0: [CVE-2013-0340 "Billion Laughs"]
* Security fixes:
- CVE-2013-0340/CWE-776 -- Protect against billion laughs attacks
(denial-of-service; flavors targeting CPU time or RAM or both,
leveraging general entities or parameter entities or both)
by tracking and limiting the input amplification factor
( := ( + ) / ).
By conservative default, amplification up to a factor of 100.0
is tolerated and rejection only starts after 8 MiB of output bytes
(= + ) have been processed.
The fix adds the following to the API:
- A new error code XML_ERROR_AMPLIFICATION_LIMIT_BREACH to
signals this specific condition.
- Two new API functions ..
- XML_SetBillionLaughsAttackProtectionMaximumAmplification and
- XML_SetBillionLaughsAttackProtectionActivationThreshold
.. to further tighten billion laughs protection parameters
when desired. Please see file "doc/reference.html" for details.
If you ever need to increase the defaults for non-attack XML
payload, please file a bug report with libexpat.
- Two new XML_FEATURE_* constants ..
- that can be queried using the XML_GetFeatureList function, and
- that are shown in "xmlwf -v" output.
- Two new environment variable switches ..
- EXPAT_ACCOUNTING_DEBUG=(0|1|2|3) and
- EXPAT_ENTITY_DEBUG=(0|1)
.. for runtime debugging of accounting and entity processing.
Specific behavior of these values may change in the future.
- Two new command line arguments "-a FACTOR" and "-b BYTES"
for xmlwf to further tighten billion laughs protection
parameters when desired.
If you ever need to increase the defaults for non-attack XML
payload, please file a bug report with libexpat.
* Bug fixes:
- For (non-default) compilation with -DEXPAT_MIN_SIZE=ON (CMake)
or CPPFLAGS=-DXML_MIN_SIZE (GNU Autotools): Fix segfault
for UTF-16 payloads containing CDATA sections.
- Autotools: Fix generated CMake files for non-64bit and
non-Linux platforms (e.g. macOS and MinGW in particular)
that were introduced with release 2.3.0
* Other changes:
- xmlwf: Improve help output and the xmlwf man page
- xmlwf: Improve maintainability through some refactoring
- xmlwf: Fix man page DocBook validity
- CMake: Support absolute paths for both CMAKE_INSTALL_LIBDIR
and CMAKE_INSTALL_INCLUDEDIR
- CMake: Add support for standard variable BUILD_SHARED_LIBS
- Unexpose symbol _INTERNAL_trim_to_complete_utf8_characters
- Resolve macro HAVE_EXPAT_CONFIG_H
- Delete unused legacy helper file "conftools/PrintPath"
- doc/reference.html: Fix XHTML validity
- doc/reference.html: Replace the 90s look by OK.css
- Version info bumped from 8:0:7 to 9:0:8 due to addition of
new symbols and error codes; see https://verbump.de/ for
what these numbers do - Do not BuildRequire cmake: expat is part of the distro bootstrap
cycle and any additional dependency makes the ring larger. In
this case here, cmake was even only used to own a directory. - update to 2.3.0:
* When calling XML_ParseBuffer without a prior successful call to
XML_GetBuffer as a user, no longer trigger undefined behavior
(by adding an integer to a NULL pointer) but rather return
XML_STATUS_ERROR and set the error code to (new) code
XML_ERROR_NO_BUFFER. Found by UBSan (UndefinedBehaviorSanitizer)
of Clang 11 (but not Clang 9).
* xmlwf: Exit status 2 was used for both:
- malformed input files (documented) and
- invalid command-line arguments (undocumented).
case of invalid command-line arguments now
has its own exit status 4, resolving the ambiguity.
* Other changes - Update to 2.2.10:
* Bug fixes:
- Fix undefined behavior during parsing caused by pointer
arithmetic with NULL pointers
- Fix reading uninitialized variable during parsing
- xmlwf: Add missing check for malloc NULL return
* Other changes:
- xmlwf: Document exit codes in xmlwf manpage and exit with code 3
(rather than code 1) for output errors when used with "-d DIRECTORY"
- Autotools: Use -Werror while configure tests the compiler for
supported compile flags to avoid false positives
- Autotools: Improve handling of user (C|CPP|CXX|LD)FLAGS, e.g.
ensure that they have the last word over flags added while
running ./configure
- CMake: Create libexpatw.{dll,so} and expatw.pc (with emphasis
on suffix "w") with -DEXPAT_CHAR_TYPE=(ushort|wchar_t)
- CMake: Detect and deny unsupported build combinations
involving -DEXPAT_CHAR_TYPE=(ushort|wchar_t)
- CMake: Install pre-compiled shipped xmlwf.1 manpage in case
of -DEXPAT_BUILD_DOCS=OFF
- CMake: Fix use of Expat by means of add_subdirectory
- CMake: Keep expat target name constant at "expat" (i.e. refrain
from using the target name to control build artifact filenames)
- CMake: Expose man page compilation as target "xmlwf-manpage"
- CMake: Introduce option EXPAT_BUILD_PKGCONFIG to control
generation of pkg-config file "expat.pc"
- CMake: Add minimalistic support for building binary packages
with CMake target "package"; based on CPack
- CMake: Add option -DEXPAT_OSSFUZZ_BUILD=(ON|OFF) with default
OFF to build fuzzer code against OSS-Fuzz and related
environment variable LIB_FUZZING_ENGINE
- Fix testsuite for -DEXPAT_DTD=OFF and -DEXPAT_NS=OFF
- Address compiler warnings
- Address pngcheck warnings with doc/*.png images: Version info
bumped from 7:11:6 to 7:12:6 - Version update to 2.2.9
* Other changes:
- examples: Drop executable bits from elements.c
[#349] Windows: Change the name of the Windows DLLs from expat*.dll
to libexpat*.dll once more (regression from 2.2.8, first
fixed in 1.95.3, issue #61 on SourceForge today,
was issue #432456 back then); needs a fix due
case-insensitive file systems on Windows and the fact that
Perl's XML::Parser::Expat compiles into Expat.dll.
[#347] Windows: Only define _CRT_RAND_S if not defined
Version info bumped from 7:10:6 to 7:11:6 - Version update to 2.2.8
* Security fixes: (CVE-2019-15903, bsc#1149429)
- CVE-2019-15903 -- Fix heap overflow triggered by XML_GetCurrentLineNumber
(or XML_GetCurrentColumnNumber), and deny internal entities closing the doctype;
* Bug fixes:
- Fix cases where XML_StopParser did not have any effect
when called from inside of an end element handler
- xmlwf: Fix exit code for operation without "-d DIRECTORY";
previously, only "-d DIRECTORY" would give you a proper exit code:
Now both cases return exit code 2.
* Other changes:
- examples: Improve elements.c
- Autotools: Add argument --enable-xml-attr-info
- Autotools: Add arguments --with-getrandom --without-getrandom --with-sys-getrandom --without-sys-getrandom
- Autotools: Fix linking issues with "./configure LD=clang"
- Autotools: Fix "make run-xmltest" for out-of-source builds
- CMake: Pull all options from Expat <=2.2.7 into namespace
- CMake: Add argument -DEXPAT_ATTR_INFO=(ON|OFF), default OFF
- CMake: Add argument -DEXPAT_LARGE_SIZE=(ON|OFF), default OFF
- CMake: Add argument -DEXPAT_MIN_SIZE=(ON|OFF), default OFF
- CMake: Add arguments -DEXPAT_WITH_GETRANDOM=(ON|OFF|AUTO), default AUTO
- CMake: Add arguments -DEXPAT_WITH_SYS_GETRANDOM=(ON|OFF|AUTO), default AUTO
- CMake: Install expat_config.h to include directory
- CMake: Generate and install configuration files for future find_package(expat [..] CONFIG [..])
- CMake: Now produces a summary of applied configuration
- CMake: Require C++ compiler only when tests are enabled
- CMake: Fix compilation for 16bit character types, i.e. ex -DXML_UNICODE=ON (and ex -DXML_UNICODE_WCHAR_T=ON)
- CMake: Port "make run-xmltest" from GNU Autotools to CMake
- CMake: Integrate OSS-Fuzz fuzzers, option -DEXPAT_BUILD_FUZZERS=(ON|OFF), default OFF
- Removed patches fixed in the update:
* expat-CVE-2019-15903.patch
* expat-CVE-2019-15903-tests.patch - Security fix (CVE-2019-15903, bsc#1149429)
* Crafted XML input results in heap-based buffer over-read by fooling
the parser into changing from DTD parsing to document parsing
* Added patches:
- expat-CVE-2019-15903.patch
- expat-CVE-2019-15903-tests.patch - Version update to 2.2.7 (CVE-2018-20843, bsc#1139937)
* Security fixes:
- CVE-2018-20843 - Fix extraction of namespace prefixes from
XML names; XML names with multiple colons could end up in
the wrong namespace, and take a high amount of RAM and CPU
resources while processing, opening the door to use for
denial-of-service attacks
* Other changes:
- Autotools/CMake: Utilize -fvisibility=hidden to stop
exporting non-API symbols
- Autotools: Add --without-examples and --without-tests
- Autotools: Modernize configure.ac
- Autotools: Fix check for -fvisibility=hidden for Clang
- Autotools: Fix compilation for lack of docbook2x-man
- CMake: Make libdir of pkgconfig expat.pc support multilib
- CMake: Build man page in PROJECT_BINARY_DIR not _SOURCE_DIR
- Remove fallback to bcopy, assume that memmove(3) exists
- Removed expat-2.2.6-fix-make-clean.patch - Add expat-2.2.6-fix-make-clean.patch
- Allow profile guided optimization again - Drop docbook2x dependency, the manpages are generated in
the upstream archive and this way we break buildcycle - Version update to 2.2.6 Sun August 12 2018
* Bug fixes:
- Avoid doing arithmetic with NULL pointers in XML_GetBuffer
- Fix 2.2.5 regression with suspend-resume while parsing
a document like ''
* Other changes:
- Autotools: Fix docbook-related configure syntax error
- Autotools: Avoid grep option `-q` for Solaris
- Autotools: Support
./configure DOCBOOK_TO_MAN="xmlto man --skip-validation"
- Autotools: Support DOCBOOK_TO_MAN command which produces
xmlwf.1 rather than XMLWF.1; also covers case insensitive
file systems
- Autotools: Drop -rpath option passed to libtool
- Autotools: Detect and deny SGML docbook2man as ours is XML
- Autotools/CMake: Support command db2x_docbook2man as well
- CMake: Introduce option WARNINGS_AS_ERRORS, defaults to OFF
- CMake: Introduce option MSVC_USE_STATIC_CRT, defaults to OFF
- CMake: Introduce option XML_UNICODE and XML_UNICODE_WCHAR_T,
both defaulting to OFF
- CMake: Prefer check_symbol_exists over check_function_exists
- CMake: Create the same pkg-config file as with GNU Autotools
- CMake: Use GNUInstallDirs module to set proper defaults for
install directories
- CMake: Utilize expat_config.h.cmake for XML_DEV_URANDOM
- Address compiler warnings
- Fix miscellaneous typos - Expand description of expat-devel. - Do not generate manpages from docbook
- Temporarily disable profiling due to bug in build system - Version update to 2.2.5 Tue October 31 2017
* Bug fixes:
- If the parser runs out of memory, make sure its internal
state reflects the memory it actually has, not the memory
it wanted to have.
- The default handler wasn't being called when it should for
a SYSTEM or PUBLIC doctype if an entity declaration handler
was registered.
- Fix a case of mistakenly reported parsing success where
XML_StopParser was called from an element handler
- Function XML_ErrorString was returning NULL rather than
a message for code XML_ERROR_INVALID_ARGUMENT
introduced with release 2.2.1
* Other changes:
- Add argument -N adding notation declarations
- various compiler-specific fixes
- Improve docbook2x-man detection
- drop expat-docbook.patch
* fixed in 0f5186c7b8e503c669e332d944712de010b265f3
- switch to github for release tarballs and website - Version update to 2.2.4 Sat August 19 2017
* Bug fixes:
[#115] Fix copying of partial characters for UTF-8 input
* Other changes:
[#109] Fix "make check" for non-x86 architectures that default
to unsigned type char (-128..127 rather than 0..255)
[#109] coverage.sh: Cover -funsigned-char
Autotools: Introduce --without-xmlwf argument
[#65] Autotools: Replace handwritten Makefile with GNU Automake
[#43] CMake: Auto-detect high quality entropy extractors, add new
option USE_libbsd=ON to use arc4random_buf of libbsd
[#74] CMake: Add -fno-strict-aliasing only where supported
[#114] CMake: Always honor manually set BUILD_* options
[#114] CMake: Compile man page if docbook2x-man is available, only
[#117] Include file tests/xmltest.log.expected in source tarball
(required for "make run-xmltest")
[#111] Fix some typos in documentation
Version info bumped from 7:5:6 to 7:6:6
- Release 2.2.3 Wed August 2 2017
* Bug fixes:
[#85] Fix a dangling pointer issue related to realloc
* Other changes:
[#91] Linux: Allow getrandom to fail if nonblocking pool has not
yet been initialized and read /dev/urandom then, instead.
This is in line with what recent Python does.
[#86] Check that a UTF-16 encoding in an XML declaration has the
right endianness
[#4] #5 #7 Recover correctly when some reallocations fail
Repair "./configure && make" for systems without any
provider of high quality entropy
and try reading /dev/urandom on those
Ensure that user-defined character encodings have converter
functions when they are needed
Fix mis-leading description of argument -c in xmlwf.1
Rely on macro HAVE_ARC4RANDOM_BUF (rather than __CloudABI__)
for CloudABI
[#100] Fix use of SIPHASH_MAIN in siphash.h
[#23] Test suite: Fix memory leaks
Version info bumped from 7:4:6 to 7:5:6
- Release 2.2.2 Wed July 12 2017
* Security fixes:
[#43] Protect against compilation without any source of high
quality entropy enabled, e.g. with CMake build system;
* [MOX-006] Fix non-NULL parser parameter validation in XML_Parse;
resulted in NULL dereference, previously;
* Bug fixes:
[#69] Fix improper use of unsigned long long integer literals
* Other changes:
[#73] Start requiring a C99 compiler
[#49] Fix "==" Bashism in configure script
[#58] Address compile warnings
[#68] Fix "./buildconf.sh && ./configure" for some versions
of Dash for /bin/sh
[#72] CMake: Ease use of Expat in context of a parent project
with multiple CMakeLists.txt files
[#72] CMake: Resolve mistaken executable permissions
[#76] Address compile warning with -DNDEBUG (not recommended!)
[#77] Address compile warning about macro redefinition
* Added patch expat-docbook.patch to compile the man pages with
docbook-to-man
* Cleaned spec file with spec-cleaner - Allow building when do_profiling is undefined - Build with profiling when possible - Version update to 2.2.1 Sat June 17 2017
- Security fixes:
CVE-2017-9233 / bsc#1047236 -- External entity infinite loop DoS
Details: https://libexpat.github.io/doc/cve-2017-9233/
Commit c4bf96bb51dd2a1b0e185374362ee136fe2c9d7f
- [MOX-002] CVE-2016-9063 / bsc#1047240 -- Detect integer overflow;
(Fixed version of existing downstream patches!)
- (SF.net) #539 Fix regression from fix to CVE-2016-0718 cutting off
longer tag names;
[#25] More integer overflow detection (function poolGrow);
- [MOX-002] Detect overflow from len=INT_MAX call to XML_Parse;
- [MOX-005] #30 Use high quality entropy for hash initialization:
* arc4random_buf on BSD, systems with libbsd
(when configured with --with-libbsd), CloudABI
* RtlGenRandom on Windows XP / Server 2003 and later
* getrandom on Linux 3.17+
In a way, that's still part of CVE-2016-5300.
https://github.com/libexpat/libexpat/pull/30/commits
- [MOX-005] For the low quality entropy extraction fallback code,
the parser instance address can no longer leak,
- [MOX-003] Prevent use of uninitialised variable; commit
- [MOX-004] a4dc944f37b664a3ca7199c624a98ee37babdb4b
Add missing parameter validation to public API functions
and dedicated error code XML_ERROR_INVALID_ARGUMENT:
- [MOX-006] * NULL checks; commits
* Negative length (XML_Parse); commit
- [MOX-002] 70db8d2538a10f4c022655d6895e4c3e78692e7f
- [MOX-001] #35 Change hash algorithm to William Ahern's version of SipHash
to go further with fixing CVE-2012-0876.
https://github.com/libexpat/libexpat/pull/39/commits
- Bug fixes:
[#32] Fix sharing of hash salt across parsers;
relevant where XML_ExternalEntityParserCreate is called
prior to XML_Parse, in particular (e.g. FBReader)
[#28] xmlwf: Auto-disable use of memory-mapping (and parsing
as a single chunk) for files larger than ~1 GB (2^30 bytes)
rather than failing with error "out of memory"
[#3] Fix double free after malloc failure in DTD code; commit
7ae9c3d3af433cd4defe95234eae7dc8ed15637f
[#17] Fix memory leak on parser error for unbound XML attribute
prefix with new namespaces defined in the same tag;
found by Google's OSS-Fuzz; commits
xmlwf on Windows: Add missing calls to CloseHandle
- New features:
[#30] Introduced environment switch EXPAT_ENTROPY_DEBUG=1
for runtime debugging of entropy extraction
Bump version info from 7:2:6 to 7:3:6 - Remove pointless --with-pic (for static only) - Version update to 2.2.0:
* Fixes bnc#983215 CVE-2012-6702
* Fixes bnc#983216 CVE-2016-5300
* Various cmake and autotools script updates
* Fix detection of utf8 character boundaries
- Remove all patches merged upstream:
* expat-2.1.1-avoid_relying_on_undef_behaviour.patch
* expat-2.1.1-parser_crashes_on_malformed_input.patch
* expat-alloc-size.patch
* expat-visibility.patch - add expat-2.1.1-avoid_relying_on_undef_behaviour.patch to avoid
relying on undefined behavior in the original CVE-2015-1283 fix
[bnc#980391], [bnc#983985], [CVE-2016-4472]
- add expat-2.1.1-parser_crashes_on_malformed_input.patch to fix
Expat XML parser that mishandles certain kinds of malformed input
documents [bnc#979441], [CVE-2016-0718]
- use spec-cleaner to clean specfile - After simplification of expat-visibility.patch, it became
uneffective as no symbols are getting hidden. add
- fvisibility=hidden to CFLAGS again.
- expat-alloc-size.patch: fix braino, realloc()-like functions
should not take __attribute__(malloc) - Update to version 2.1.1
* Fixes CVE-2015-1283 — Multiple integer overflows in the
XML_GetBuffer function
* Fix potential null pointer dereference
* Symbol XML_SetHashSalt was not exported
* Output of xmlwf -h was incomplete
* Document behavior of calling XML_SetHashSalt with salt 0
* Minor improvements to man page xmlwf(1)
- Simplify expat-visibility.patch, refresh expat-alloc-size.patch
- Drop config-guess-sub-update.patch, fixed upstream. - Cleanup spec file with spec-cleaner
- Remove old ppc obsoletes/provides /bin/sh expat-32bit 2.4.4-150400.3.25.1 2.4.4-150400.3.25.1 libexpat.so.1 libexpat.so.1.8.4 /usr/lib/ -fomit-frame-pointer -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g obs://build.suse.de/SUSE:Maintenance:36379/SUSE_SLE-15-SP4_Update/7be8b1ec795a96ba5d8eca3d271bcee9-expat.SUSE_SLE-15-SP4_Update drpm xz 5 x86_64-suse-linux ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked, BuildID[sha1]=84782f17655013f11fc39cfaa45a80f42d5e8e0a, stripped P R R R R R R utf-8 b647c5dc639d1b1ab8ac671487d7dd773950104d03caec94a91a2b15a511d9de ? 7zXZ
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