openSUSE Leap 15.5/15.6 Moderate libxml2 Security Update 2026-0570

## This update for libxml2 fixes the following issues: * CVE-2026-0990: Fixed a call stack overflow leading to application crash due to infinite recursion in `xmlCatalogXMLResolveURI`. (bsc#1256807, bsc#1256811) * CVE-2026-0992: Fixed an excessive resource consumption when processing XML catalogs due to exponential behavior. (bsc#1256809, bsc#1256812) * CVE-2026-1757: Fixed a memory leak in the `xmllint` interactive shell. (bsc#1257594, bsc#1257595) * CVE-2025-10911: Fixed a use-after-free with key data stored cross-RVT. (bsc#1250553) * CVE-2025-8732: Fixed an infinite recursion in catalog parsing functions when processing malformed SGML catalog files. (bsc#1247858) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like Read the Full Advisory

## This update for libxml2 fixes the following issues: * CVE-2026-0990: Fixed a call stack overflow leading to application crash due to infinite recursion in `xmlCatalogXMLResolveURI`. (bsc#1256807, bsc#1256811) * CVE-2026-0992: Fixed an excessive resource consumption when processing XML catalogs due to exponential behavior. (bsc#1256809, bsc#1256812) * CVE-2026-1757: Fixed a memory leak in the `xmllint` interactive shell. (bsc#1257594, bsc#1257595) * CVE-2025-10911: Fixed a use-after-free with key data stored cross-RVT. (bsc#1250553) * CVE-2025-8732: Fixed an infinite recursion in catalog parsing functions when processing malformed SGML catalog files. (bsc#1247858) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like Read the Full Advisory

* bsc#1247850 * bsc#1247858 * bsc#1250553 * bsc#1256807 * bsc#1256808 * bsc#1256809 * bsc#1256811 * bsc#1256812 * bsc#1257593 * bsc#1257594 * bsc#1257595 Cross- * CVE-2025-10911 * CVE-2025-8732 * CVE-2026-0990 * CVE-2026-0992 * CVE-2026-1757 CVSS scores: * CVE-2025-10911 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2025-10911 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2025-10911 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2025-8732 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N * CVE-2025-8732 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L * CVE-2025-8732 ( NVD ): 1.9 Read the Full Advisory

* CVE-2025-10911 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-10911 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-10911 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-8732 ( SUSE ): 4.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2025-8732 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2025-8732 ( NVD ): 1.9

Read the Full Advisory