7.5

CVE-2025-49795: gnome libxml2 Expired Pointer Dereference

CVSS: 7.5v3.1HighDeferred
AliasesALPINE-CVE-2025-49795UBUNTU-CVE-2025-49795
Published 16-06-2025Last modified 12-10-2026

Vulnerability summary

CVE-2025-49795 is a high (CVSS 7.5) Expired Pointer Dereference vulnerability in gnome libxml2. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5

Timeline

  1. 16-06-2025
    PublishedVulnerability first disclosed.
  2. 12-10-2026
    Last modifiedVulnerability information updated.

Description

A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • libxml2< 2.13.9-r0
Gnome1 product
Ubuntu1 product
  • libxml2< 2.14.5+dfsg-0.2

3 vendors · 3 products

References

14 links
Show all 14 references