4.4

CVE-2025-12474: google libjxl Use of Uninitialized Resource

CVSS: 4.4v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-12474DEBIAN-CVE-2025-12474
Published 11-02-2026Last modified 11-02-2026

Vulnerability summary

CVE-2025-12474 is a medium (CVSS 4.4) Use of Uninitialized Resource vulnerability in google libjxl. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.11%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 4

Timeline

  1. 11-02-2026
    PublishedVulnerability first disclosed.
  2. 11-02-2026
    Last modifiedVulnerability information updated.

Description

A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated) memory. This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches. An incorrect optimization causes the decoder to omit populating those areas.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

+0.01 pp

From 0.10% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.11%

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

Debian1 product
  • jpeg-xlAll versions (No fix recorded) | < 0.11.2-0.1~deb13u1 | < 0.11.2-0.1
Google1 product
Libjxl_project1 product
Ubuntu1 product
  • graphicsmagickAll versions (No fix recorded)

4 vendors · 4 products

References

4 links