| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | high |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openjpeg2 (PTS) | jessie | 2.1.0-2+deb8u3 | vulnerable |
| jessie (security) | 2.1.0-2+deb8u10 | vulnerable | |
| stretch | 2.1.2-1.1+deb9u4 | vulnerable | |
| stretch (security) | 2.1.2-1.1+deb9u3 | vulnerable | |
| buster | 2.3.0-2+deb10u1 | vulnerable | |
| bullseye, sid | 2.3.1-1 | 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 |
https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d
https://github.com/uclouvain/openjpeg/issues/1088
The Debian package is built with -DBUILD_MJ2:BOOL=OFF