CVE-2025-26434

In libxml2, there is a possible out of bounds read due to a buffer overflow. This could lead to...

5.5 Medium

In libxml2, there is a possible out of bounds read due to a buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.08%Up 0.1 points since Sep 6, 2025

What each source reports

CVE List Score used 5.5

Record: CVE-2025-26434
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-120
Updated: 2026-11-02

EUVDEUVD-2025-27009 5.5

Record: EUVD-2025-27009
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9wrc-g27x-wrww 5.5

In libxml2, there is a possible out of bounds read due to a buffer overflow. This could lead to...

Record: GHSA-9wrc-g27x-wrww
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-120
Updated: 2026-11-02

NVD 5.5

Record: CVE-2025-26434
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-120
Updated: 2026-11-02

OSVRHSA-2026:7519 9.1

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record: RHSA-2026:7519
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-26434 5.5

Record: UBUNTU-CVE-2025-26434
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`libxml2` Red Hat:hummingbird:1 From an advisory covering 13 CVEs	before 0:2.15.2-0.3.hum1	0:2.15.2-0.3.hum1
`libxml2-16` Red Hat:hummingbird:1 From an advisory covering 13 CVEs	before 0:2.15.2-0.3.hum1	0:2.15.2-0.3.hum1
`libxml2-devel` Red Hat:hummingbird:1 From an advisory covering 13 CVEs	before 0:2.15.2-0.3.hum1	0:2.15.2-0.3.hum1
`libxml2-static` Red Hat:hummingbird:1 From an advisory covering 13 CVEs	before 0:2.15.2-0.3.hum1	0:2.15.2-0.3.hum1
`python3-libxml2` Red Hat:hummingbird:1 From an advisory covering 13 CVEs	before 0:2.15.2-0.3.hum1	0:2.15.2-0.3.hum1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-26434 is a medium vulnerability (CVSS 5.5) in Google Android, published September 5, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. No source names a fixed version.

References

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