CVE-2020-6851

Sažetak

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.

Reference

https://access.redhat.com/errata/RHSA-2020:0262
https://access.redhat.com/errata/RHSA-2020:0274
https://access.redhat.com/errata/RHSA-2020:0296
https://github.com/uclouvain/openjpeg/issues/1228
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html
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-4882
https://www.oracle.com/security-alerts/cpujul2020.html
http://www.openwall.com/lists/oss-security/2026/09/22/6
https://access.redhat.com/errata/RHSA-2020:0262
https://access.redhat.com/errata/RHSA-2020:0274
https://access.redhat.com/errata/RHSA-2020:0296
https://github.com/uclouvain/openjpeg/issues/1228
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html
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-4882
https://www.oracle.com/security-alerts/cpujul2020.html

CVSS

Base:	5.0
Impact:	2.9
Exploitability:	10.0

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

AV:N/AC:L/Au:N/C:N/I:N/A:P

Zadnje važnije ažuriranje

22-09-2026 - 18:17

Objavljeno

13-01-2020 - 06:15