Integer overflow in Uclouvain Openjpeg
CVE-2026-6192
A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is 839936aa33eb8899bbbd80fda02796bb65068951. It is suggested to install a patch to address this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Affected products
- Uclouvain Openjpeg — versions 2.5.0, 2.5.1, 2.5.2
Weakness classification (CWE)
References
- vuldb.com/vuln/357114 (technical-description, vdb-entry)
- vuldb.com/vuln/357114/cti (signature, permissions-required)
- vuldb.com/submit/797385 (third-party-advisory)
- github.com/uclouvain/openjpeg/issues/1619 (issue-tracking, exploit)
- github.com/uclouvain/openjpeg/pull/1628 (issue-tracking, patch)
- github.com/uclouvain/openjpeg/commit/839936aa33eb8899bbbd80fda02796bb65068951 (patch)
- github.com/uclouvain/openjpeg/ (product)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-6192?
- CVE-2026-6192 is a low-severity vulnerability in Uclouvain Openjpeg, classified under CWE-189. CVSS score: 3.3/10. Published 2026-04-13.
- How severe is CVE-2026-6192?
- Low severity. CVSS v3 base score is 3.3 out of 10.