SUSE-SU-2025:20207-1: important: Security update for expat
SLE-SECURITY-UPDATES
null at suse.de
Wed Jun 4 08:10:33 UTC 2025
# Security update for expat
Announcement ID: SUSE-SU-2025:20207-1
Release Date: 2025-04-29T11:07:48Z
Rating: important
References:
* bsc#1219559
* bsc#1219561
* bsc#1221289
* bsc#1229930
* bsc#1229931
* bsc#1229932
* bsc#1232579
* bsc#1232601
* bsc#1239618
* jsc#SLE-21253
Cross-References:
* CVE-2013-0340
* CVE-2019-15903
* CVE-2023-52425
* CVE-2023-52426
* CVE-2024-28757
* CVE-2024-45490
* CVE-2024-45491
* CVE-2024-45492
* CVE-2024-50602
* CVE-2024-8176
CVSS scores:
* CVE-2019-15903 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2019-15903 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2019-15903 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* CVE-2019-15903 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-52425 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-52425 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-52426 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
* CVE-2023-52426 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-28757 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-28757 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-28757 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-45490 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2024-45490 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-45490 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-45490 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-45491 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2024-45491 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-45491 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-45492 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2024-45492 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-45492 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-50602 ( SUSE ): 5.6
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2024-50602 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* CVE-2024-50602 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-8176 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2024-8176 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2024-8176 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* SUSE Linux Micro 6.0
An update that solves 10 vulnerabilities and contains one feature can now be
installed.
## Description:
This update for expat fixes the following issues:
Version update to 2.7.1:
* Bug fixes:
* Restore event pointer behavior from Expat 2.6.4 (that the fix to
CVE-2024-8176 changed in 2.7.0); affected API functions are:
* XML_GetCurrentByteCount
* XML_GetCurrentByteIndex
* XML_GetCurrentColumnNumber
* XML_GetCurrentLineNumber
* XML_GetInputContext
* Other changes: #976 #977 Autotools: Integrate files
"fuzz/xml_lpm_fuzzer.{cpp,proto}" with Automake that were missing from 2.7.0
release tarballs #983 #984 Fix printf format specifiers for 32bit Emscripten
#992 docs: Promote OpenSSF Best Practices self-certification #978
tests/benchmark: Resolve mistaken double close #986 Address compiler
warnings #990 #993 Version info bumped from 11:1:10 (libexpat _.so.1.10.1)
to 11:2:10 (libexpat_.so.1.10.2); see https://verbump.de/ for what these
numbers do
Infrastructure:
#982 CI: Start running Perl XML::Parser integration tests
#987 CI: Enforce Clang Static Analyzer clean code
#991 CI: Re-enable warning clang-analyzer-valist.Uninitialized
for clang-tidy
#981 CI: Cover compilation with musl
#983 #984 CI: Cover compilation with 32bit Emscripten #976 #977 CI: Protect
against fuzzer files missing from future release archives
Version update to 2.7.0 (CVE-2024-8176 [bsc#1239618])
* Security fixes:
* CVE-2024-8176 -- Fix crash from chaining a large number of entities caused
by stack overflow by resolving use of recursion, for all three uses of
entities:
* general entities in character data ("<e>&g1;</e>")
* general entities in attribute values ("<e k1='&g1;'/>")
* parameter entities ("%p1;")
Known impact is (reliable and easy) denial of service:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H/RL:O/RC:C
(Base Score: 7.5, Temporal Score: 7.2)
Please note that a layer of compression around XML can significantly reduce the
minimum attack payload size.
* Other changes:
* Document changes since the previous release
* Version info bumped from 11:0:10 (libexpat _.so.1.10.0) to 11:1:10 (libexpat_.so.1.10.1); see https://verbump.de/ for what these numbers do
Version update to 2.6.4:
* Security fixes: [bsc#1232601][bsc#1232579]
* CVE-2024-50602 -- Fix crash within function XML_ResumeParser from a NULL pointer dereference by disallowing function XML_StopParser to (stop or) suspend an unstarted parser. A new error code XML_ERROR_NOT_STARTED was introduced to properly communicate this situation. // CWE-476 CWE-754
* Other changes:
* Version info bumped from 10:3:9 (libexpat _.so.1.9.3) to 11:0:10 (libexpat_.so.1.10.0); see https://verbump.de/ for what these numbers do
Update to 2.6.3:
* Security fixes:
* CVE-2024-45490, bsc#1229930 -- Calling function XML_ParseBuffer with len < 0 without noticing and then calling XML_GetBuffer will have XML_ParseBuffer fail to recognize the problem and XML_GetBuffer corrupt memory. With the fix, XML_ParseBuffer now complains with error XML_ERROR_INVALID_ARGUMENT just like sibling XML_Parse has been doing since Expat 2.2.1, and now documented. Impact is denial of service to potentially artitrary code execution.
* CVE-2024-45491, bsc#1229931 -- Internal function dtdCopy can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX). Impact is denial of service to potentially artitrary code execution.
* CVE-2024-45492, bsc#1229932 -- Internal function nextScaffoldPart can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX). Impact is denial of service to potentially artitrary code execution.
* Other changes:
* Version info bumped from 10:2:9 (libexpat _.so.1.9.2) to 10:3:9 (libexpat_.so.1.9.3); see https://verbump.de/ for what these numbers do
Update to 2.6.2:
* CVE-2024-28757 -- Prevent billion laughs attacks with isolated use of
external parsers (bsc#1221289)
* Reject direct parameter entity recursion and avoid the related undefined
behavior
Update to 2.6.1:
* Expose billion laughs API with XML_DTD defined and XML_GE undefined,
regression from 2.6.0
* Make tests independent of CPU speed, and thus more robust
Update to 2.6.0:
* Security fixes:
* CVE-2023-52425 (bsc#1219559)
Fix quadratic runtime issues with big tokens that can cause denial of service,
in partial where dealing with compressed XML input. Applications that parsed a
document in one go -- a single call to functions XML_Parse or XML_ParseBuffer --
were not affected. The smaller the chunks/buffers you use for parsing
previously, the bigger the problem prior to the fix. Backporters should be
careful to no omit parts of pull request #789 and to include earlier pull
request #771, in order to not break the fix.
* CVE-2023-52426 (bsc#1219561) Fix billion laughs attacks for users compiling _without_ XML_DTD defined (which is not common). Users with XML_DTD defined have been protected since Expat >=2.4.0 (and that was CVE-2013-0340 back then).
* Bug fixes:
* Fix parse-size-dependent "invalid token" error for external entities that start with a byte order mark
* Fix NULL pointer dereference in setContext via XML_ExternalEntityParserCreate for compilation with XML_DTD undefined
* Protect against closing entities out of order
* Other changes:
* Improve support for arc4random/arc4random_buf
* Improve buffer growth in XML_GetBuffer and XML_Parse
* xmlwf: Support --help and --version
* xmlwf: Support custom buffer size for XML_GetBuffer and read
* xmlwf: Improve language and URL clickability in help output
* examples: Add new example "element_declarations.c"
* Be stricter about macro XML_CONTEXT_BYTES at build time
* Make inclusion to expat_config.h consistent
* Autotools: configure.ac: Support --disable-maintainer-mode
* Autotools: Sync CMake templates with CMake 3.26
* Autotools: Make installation of shipped man page doc/xmlwf.1 independent of docbook2man availability
* Autotools|CMake: Add missing -DXML_STATIC to pkg-config file section "Cflags.private" in order to fix compilation against static libexpat using pkg-config on Windows
* Autotools|CMake: Require a C99 compiler (a de-facto requirement already since Expat 2.2.2 of 2017)
* Autotools|CMake: Fix PACKAGE_BUGREPORT variable
* Autotools|CMake: Make test suite require a C++11 compiler
* CMake: Require CMake >=3.5.0
* CMake: Lowercase off_t and size_t to help a bug in Meson
* CMake: Sort xmlwf sources alphabetically
* CMake|Windows: Fix generation of DLL file version info
* CMake: Build tests/benchmark/benchmark.c as well for a build with -DEXPAT_BUILD_TESTS=ON
* docs: Document the importance of isFinal + adjust tests accordingly
* docs: Improve use of "NULL" and "null"
* docs: Be specific about version of XML (XML 1.0r4) and version of C (C99); (XML 1.0r5 will need a sponsor.)
* docs: reference.html: Promote function XML_ParseBuffer more
* docs: reference.html: Add HTML anchors to XML_* macros
* docs: reference.html: Upgrade to OK.css 1.2.0
* docs: Fix typos
* docs|CI: Use HTTPS URLs instead of HTTP at various places
* Address compiler warnings
* Address clang-tidy warnings
* Version info bumped from 9:10:8 (libexpat _.so.1.8.10) to 10:0:9 (libexpat_.so.1.9.0); see https://verbump.de/ for what these numbers do
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Micro 6.0
zypper in -t patch SUSE-SLE-Micro-6.0-304=1
## Package List:
* SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
* libexpat1-2.7.1-1.1
* expat-debugsource-2.7.1-1.1
* libexpat1-debuginfo-2.7.1-1.1
## References:
* https://www.suse.com/security/cve/CVE-2013-0340.html
* https://www.suse.com/security/cve/CVE-2019-15903.html
* https://www.suse.com/security/cve/CVE-2023-52425.html
* https://www.suse.com/security/cve/CVE-2023-52426.html
* https://www.suse.com/security/cve/CVE-2024-28757.html
* https://www.suse.com/security/cve/CVE-2024-45490.html
* https://www.suse.com/security/cve/CVE-2024-45491.html
* https://www.suse.com/security/cve/CVE-2024-45492.html
* https://www.suse.com/security/cve/CVE-2024-50602.html
* https://www.suse.com/security/cve/CVE-2024-8176.html
* https://bugzilla.suse.com/show_bug.cgi?id=1219559
* https://bugzilla.suse.com/show_bug.cgi?id=1219561
* https://bugzilla.suse.com/show_bug.cgi?id=1221289
* https://bugzilla.suse.com/show_bug.cgi?id=1229930
* https://bugzilla.suse.com/show_bug.cgi?id=1229931
* https://bugzilla.suse.com/show_bug.cgi?id=1229932
* https://bugzilla.suse.com/show_bug.cgi?id=1232579
* https://bugzilla.suse.com/show_bug.cgi?id=1232601
* https://bugzilla.suse.com/show_bug.cgi?id=1239618
* https://jira.suse.com/browse/SLE-21253
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