| Name | CVE-2020-27824 |
| Description | A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to 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) |
| References | DLA-2550-1, DSA-4882-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openjpeg2 (PTS) | bullseye | 2.4.0-3 | fixed |
| bullseye (security) | 2.4.0-3+deb11u1 | fixed |
| bookworm, bookworm (security) | 2.5.0-2+deb12u1 | fixed |
| sid, trixie | 2.5.3-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/uclouvain/openjpeg/issues/1286
https://github.com/uclouvain/openjpeg/commit/6daf5f3e1ec6eff03b7982889874a3de6617db8d (v2.4.0)