SUSE: 2025:02294-1 important: libxml2 denial of service
suse
July 11, 2025
* bsc#1244554 * bsc#1244557 * bsc#1244590 * bsc#1244700
Summary
## 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: * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-2294=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
Topics Covered
References
* bsc#1244554
* bsc#1244557
* bsc#1244590
* bsc#1244700
Cross-
* CVE-2025-49794
* CVE-2025-49796
* CVE-2025-6021
* CVE-2025-6170
CVSS scores:
* CVE-2025-49794 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2025-49794 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
* CVE-2025-49794 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2025-49796 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
* CVE-2025-49796 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2025-6021 ( 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-2025-6021 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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Severity
important
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Critical
Announcement ID: SUSE-SU-2025:02294-1
Release Date: 2025-07-11T14:47:47Z
Rating: important
Topics Covered
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