Home/CVE/OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack
CVE

CVE-2020-6851

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack

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.

HIGH · CVSS 7.5 EPSS 0.04773
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

12
uclouvain openjpeg<= 2.3.1
fedoraproject fedoraall versions
debian linuxall versions
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · 1228github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jan 2020 · 06:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

10
suse-csafopenSUSE-SU-2024:11120-1
usnUSN-5952-1
suse-csafSUSE-SU-2022:1296-1
suse-csafSUSE-SU-2022:1252-1
suse-csafSUSE-SU-2022:1129-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlPatchThird Party Advisory
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