RLSA-2026:98468

Source
https://errata.rockylinux.org/RLSA-2026:98468
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:98468
Upstream
CVE (8)
Published
2026-11-13T12:04:43Z
Modified
2026-11-13T12:45:03Z
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: mingw-libxml2: libxml2: Denial of Service via crafted XML input due to use-after-free (CVE-2026-6653)

  • libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow (CVE-2026-11979)

  • 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-2026:98468"
}
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
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debuginfo

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debugsource

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2

Package

Name
python3-libxml2
Purl
pkg:rpm/rocky-linux/python3-libxml2?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2-debuginfo

Package

Name
python3-libxml2-debuginfo
Purl
pkg:rpm/rocky-linux/python3-libxml2-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
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
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debuginfo

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debugsource

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
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
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debuginfo

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debugsource

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2

Package

Name
python3-libxml2
Purl
pkg:rpm/rocky-linux/python3-libxml2?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2-debuginfo

Package

Name
python3-libxml2-debuginfo
Purl
pkg:rpm/rocky-linux/python3-libxml2-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
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
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debuginfo

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debugsource

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2

Package

Name
python3-libxml2
Purl
pkg:rpm/rocky-linux/python3-libxml2?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2-debuginfo

Package

Name
python3-libxml2-debuginfo
Purl
pkg:rpm/rocky-linux/python3-libxml2-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
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
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debuginfo

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-debugsource

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
libxml2-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2

Package

Name
python3-libxml2
Purl
pkg:rpm/rocky-linux/python3-libxml2?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"
python3-libxml2-debuginfo

Package

Name
python3-libxml2-debuginfo
Purl
pkg:rpm/rocky-linux/python3-libxml2-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.9.13-18.el9_9.1
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98468.json"