Description
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
Affected products
uclouvain: openjpeg; fedoraproject: fedora; debian: debian linux; redhat: enterprise linux; redhat: enterprise linux desktop; redhat: enterprise linux eus; redhat: enterprise linux server; redhat: enterprise linux server aus; redhat: enterprise linux server tus; redhat: enterprise linux workstation; oracle: georaster; oracle: outside in technology
References10
- www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
- www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
- github.com/uclouvain/openjpeg/issues/1228 ExploitThird Party Advisory
- github.com/uclouvain/openjpeg/issues/1228 ExploitThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0262 Third Party Advisory
- access.redhat.com/errata/RHSA-2020:0274 Third Party Advisory
- access.redhat.com/errata/RHSA-2020:0296 Third Party Advisory
- lists.debian.org/debian-lts-announce/2020/01/msg00025.html Mailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/07/msg00008.html Mailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.…
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 5% percentile: 93 · as of 10 November 2026
- CWE
- CWE-787
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