RLSA-2026:71586

See a problem?
Please try reporting it to the source first.

Source

https://errata.rockylinux.org/RLSA-2026:71586

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:71586.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:71586

Upstream

CVE (6)

Published

2026-09-25T12:09:37Z

Modified

2026-09-25T12:30:02Z

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-2026:71586"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:10 / libxml2

Package

Name: libxml2
Purl: pkg:rpm/rocky-linux/libxml2?distro=rocky-linux-10&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.12.5-10.el10_2.4

Database specific

Show details

{
    "yum_repository":  "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:71586.json"