Description
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.
References8
- github.com/uclouvain/openjpeg/
- github.com/uclouvain/openjpeg/commit/839936aa33eb8899bbbd80fda0…
- github.com/uclouvain/openjpeg/issues/1619
- github.com/uclouvain/openjpeg/pull/1628
- vuldb.com/submit/797385
- vuldb.com/vuln/357114
- vuldb.com/vuln/357114/cti
- lists.debian.org/debian-lts-announce/2026/05/msg00038.html
Metrics
- CVSS 3.1
-
3.3
LOW
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 4.0
-
1.9
LOW
Score source: CNA
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 2 · as of 12 November 2026
- CWE
- CWE-189CWE-190
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.