CVE-2025-50952: uclouvain openjpeg NULL Pointer Dereference
CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2025-50952UBUNTU-CVE-2025-50952DEBIAN-CVE-2025-50952DLA-4424-1openSUSE-SU-2025:15430-1
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.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 07-08-2025PublishedVulnerability first disclosed.
- 29-12-2025Last 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 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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 score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- openjpeg2.5.0
5 vendors · 11 products
References
8 links- github.com/uclouvain/openjpeg/issues/1505Issue Tracking