| Name | CVE-2018-7648 |
| Description | An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 |
| trixie, sid | 2.5.3-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openjpeg2 | source | (unstable) | 2.3.1-1 | unimportant | | |
Notes
https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d
https://github.com/uclouvain/openjpeg/issues/1088
The Debian package is built with -DBUILD_MJ2:BOOL=OFF