All errata/sisyphus/ALT-PU-2023-8083-4
ALT-PU-2023-8083-4

Package update libxml2 in branch sisyphus

Version2.12.3-alt1
Published2026-07-16
Max severityHIGH
Severity:

Closed issues (5)

BDU:2023-06827
MEDIUM6.5

Уязвимость функции xmlUnlinkNode (tree.c) библиотеки libxml2, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-10-16Modified: 2026-05-31
CVSS 3.xMEDIUM 6.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
BDU:2025-11749
HIGH8.1

Уязвимость функции xmlXIncludeAddNode() файла xinclude.c библиотеки libxml2, позволяющая нарушителю скомпрометировать уязвимую систему

Published: 2025-09-25Modified: 2026-07-23
CVSS 3.xHIGH 8.1
CVSS:3.x/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0MEDIUM 6.2
CVSS:2.0/AV:L/AC:H/Au:N/C:C/I:C/A:C
CVE-2023-45322
MEDIUM6.5

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail."

Published: 2023-10-06Modified: 2026-06-17
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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