All errata/c10f2/ALT-PU-2026-15071-2
ALT-PU-2026-15071-2

Package update libxml2 in branch c10f2

Version2.9.12-alt1.p10.10
Task#432391
Published2026-09-11
Max severityCRITICAL
Severity:

Closed issues (6)

BDU:2025-08978
CRITICAL9.1

Уязвимость функции xmlSchematronFormatReport() библиотеки libxml2, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-07-23Modified: 2026-05-31
CVSS 3.xCRITICAL 9.1
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0CRITICAL 9.4
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:C/A:C
References
BDU:2025-08979
CRITICAL9.1

Уязвимость функции xmlSchematronGetNode библиотеки Libxml2, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-07-23Modified: 2026-05-31
CVSS 3.xCRITICAL 9.1
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0CRITICAL 9.4
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:C/A:C
References
CVE-2025-49794
CRITICAL9.1

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.

Published: 2025-06-16Modified: 2026-09-10
CVSS 3.xCRITICAL 9.1
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
References
CVE-2025-49796
CRITICAL9.1

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

Published: 2025-06-16Modified: 2026-09-10
CVSS 3.xCRITICAL 9.1
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
References
CVE-2026-6653
HIGH7.0

Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.

Published: 2026-06-22Modified: 2026-07-14
CVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0HIGH 7.0
CVSS:4.0/CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
References
GHSA-353f-x4gh-cqq8
NONE

Nokogiri patches vendored libxml2 to resolve multiple CVEs

Published: 2025-07-21
References