| Name | CVE-2018-5727 |
| Description | In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 888532 |
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 | | 888532 |
Notes
https://github.com/uclouvain/openjpeg/issues/1053
https://github.com/rouault/openjpeg/commit/a1d32a596a94280178c44a55d7e
ubsan error (integer overflow), no security impact per se and unlikely
to trigger any security relevant issue