RLSA-2026:71585

Source
https://errata.rockylinux.org/RLSA-2026:71585
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:71585.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:71585
Upstream
CVE (6)
Published
2026-09-25T18:04:58Z
Modified
2026-09-25T18:24:41Z
Severity
  • 8.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Important: libxml2 security update
Details

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

  • libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow (CVE-2026-86138)

  • libxml2: libxml2: Data integrity issues due to integer overflow in write callbacks (CVE-2026-86143)

  • libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements (CVE-2026-86140)

  • libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation (CVE-2026-86142)

  • libxml2: libxml2: Information disclosure, SSRF, or denial of service due to improper parseFlags propagation. (CVE-2026-86144)

  • libxml2: double-free/UAF in libxml2 Python bindings (CVE-2026-74860)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Database specific
{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:71585"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / libxml2

Package

Name
libxml2
Purl
pkg:rpm/rocky-linux/libxml2?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-14.el9_8.5
Database specific
Show details
{
    "yum_repository":  "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:71585.json"