6.5

CVE-2025-50952: uclouvain openjpeg NULL Pointer Dereference

CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2025-50952UBUNTU-CVE-2025-50952DEBIAN-CVE-2025-50952
Published 07-08-2025Last modified 29-12-2025

Vulnerability summary

CVE-2025-50952 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in uclouvain openjpeg. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
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 1 · Related 1

Timeline

  1. 07-08-2025
    PublishedVulnerability first disclosed.
  2. 29-12-2025
    Last modifiedVulnerability information updated.

Description

openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.c.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.01 pp

From 0.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

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

Ubuntu7 products
  • blenderAll versions (No fix recorded)
  • ghostscriptAll versions (No fix recorded)
  • insighttoolkit4All versions (No fix recorded)
  • openjpegAll versions (No fix recorded)
  • openjpeg2< 2.3.0-2+deb10u2ubuntu0.1~esm5 | < 2.3.1-1ubuntu4.20.04.4+esm1 | < 2.4.0-6ubuntu0.4 | < 2.5.0-2ubuntu0.4
Alpine1 product
  • openjpeg< 2.5.4-r0 | < 2.5.3-r0
Debian1 product
  • openjpeg2< 2.5.0-2+deb12u2 | < 2.5.3-1 | < 2.4.0-3+deb11u2
Opensuse1 product
  • texmaker&distro=openSUSE Tumbleweed< 6.0.1-2.1
Uclouvain1 product

5 vendors · 11 products

References

8 links