| Name | CVE-2020-6851 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2081-1, DLA-2277-1, DSA-4882-1 |
| Debian Bugs | 950000 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openjpeg2 (PTS) | jessie, jessie (lts) | 2.1.0-2+deb8u14 | fixed |
| stretch (security), stretch (lts), stretch | 2.1.2-1.1+deb9u7 | fixed | |
| buster (security), buster, buster (lts) | 2.3.0-2+deb10u2 | fixed | |
| bullseye | 2.4.0-3 | fixed | |
| sid, trixie, bookworm | 2.5.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openjpeg2 | source | jessie | 2.1.0-2+deb8u9 | DLA-2081-1 | ||
| openjpeg2 | source | stretch | 2.1.2-1.1+deb9u5 | DLA-2277-1 | ||
| openjpeg2 | source | buster | 2.3.0-2+deb10u2 | DSA-4882-1 | ||
| openjpeg2 | source | (unstable) | 2.4.0-1 | 950000 |
https://github.com/uclouvain/openjpeg/issues/1228
https://github.com/uclouvain/openjpeg/commit/024b8407392cb0b82b04b58ed256094ed5799e04 (v2.4.0)