| Name | CVE-2020-27844 |
| Description | A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 | (not affected) | |||
| openjpeg2 | source | (unstable) | (not affected) |
- openjpeg2 <not-affected> (Vulnerable code introduced and fixed in 2.4.0)
https://github.com/uclouvain/openjpeg/issues/1299
Fixed by: https://github.com/uclouvain/openjpeg/commit/73fdf28342e4594019af26eb6a347a34eceb6296 (v2.4.0)
Introduced by: https://github.com/uclouvain/openjpeg/commit/4edb8c83374f52cd6a8f2c7c875e8ffacccb5fa5
[jessie] - openjpeg2 <not-affected> (Vulnerable code introduced later; problem cannot be reproduced)