CVE-2020-6851

NameCVE-2020-6851
DescriptionOpenJPEG 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2081-1
NVD severitymedium
Debian Bugs950000

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openjpeg2 (PTS)stretch2.1.2-1.1+deb9u4vulnerable
stretch (security)2.1.2-1.1+deb9u3vulnerable
buster2.3.0-2+deb10u1vulnerable
bullseye, sid2.3.1-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjpeg2source(unstable)(unfixed)950000
openjpeg2sourcejessie2.1.0-2+deb8u9DLA-2081-1

Notes

[buster] - openjpeg2 <no-dsa> (Minor issue)
[stretch] - openjpeg2 <no-dsa> (Minor issue)
https://github.com/uclouvain/openjpeg/issues/1228
https://github.com/uclouvain/openjpeg/commit/024b8407392cb0b82b04b58ed256094ed5799e04

Search for package or bug name: Reporting problems