This update for libxml2 fixes the following issues:
* CVE-2025-49794: Fixed a heap use after free which could lead to denial of
service. (bsc#1244554)
* CVE-2025-49796: Fixed type confusion which could lead to denial of service.
(bsc#1244557)
* CVE-2025-6170: Fixed a stack buffer overflow which could lead to a crash.
(bsc#1244700)
* CVE-2025-6021: Fixed an integer overflow in xmlBuildQName() which could lead
to stack buffer overflow. (bsc#1244590)
## 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:
* openSUSE Leap 15.6
zypper in -t patch openSUSE-SLE-15.6-2025-2275=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-2275=1
* SUSE Linux Enterprise Server 15 SP3 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-2275=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP3
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-2275=1
* SUSE Enterprise Storage 7.1
zypper in -t patch SUSE-Storage-7.1-2025-2275=1
* SUSE Linux Enterprise Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2025-2275=1
* SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-2275=1
* SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-2275=1
* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
* python3-libxml2-python-debuginfo-2.9.7-150000.3.82.1
* python-libxml2-python-debugsource-2.9.7-150000.3.82.1
* python3-libxml2-python-2.9.7-150000.3.82.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64
x86_64)
* libxml2-devel-2.9.7-150000.3.82.1
* python3-libxml2-python-2.9.7-150000.3.82.1
* libxml2-tools-debuginfo-2.9.7-150000.3.82.1
* libxml2-2-debuginfo-2.9.7-150000.3.82.1
* python-libxml2-python-debugsource-2.9.7-150000.3.82.1
* libxml2-tools-2.9.7-150000.3.82.1
* libxml2-debugsource-2.9.7-150000.3.82.1
* libxml2-2-2.9.7-150000.3.82.1
* python3-libxml2-python-debuginfo-2.9.7-150000.3.82.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (x86_64)
* libxml2-2-32bit-debuginfo-2.9.7-150000.3.82.1
* libxml2-2-32bit-2.9.7-150000.3.82.1
* SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
* libxml2-devel-2.9.7-150000.3.82.1
* python3-libxml2-python-2.9.7-150000.3.82.1
*...
Read the Full Advisory* bsc#1244554
* bsc#1244557
* bsc#1244590
* bsc#1244700
## References:
* https://www.suse.com/security/cve/CVE-2025-49794.html
* https://www.suse.com/security/cve/CVE-2025-49796.html
* https://www.suse.com/security/cve/CVE-2025-6021.html
* https://www.suse.com/security/cve/CVE-2025-6170.html
* https://bugzilla.suse.com/show_bug.cgi?id=1244554
* https://bugzilla.suse.com/show_bug.cgi?id=1244557
* https://bugzilla.suse.com/show_bug.cgi?id=1244590
* https://bugzilla.suse.com/show_bug.cgi?id=1244700
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