| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
| Debian Bugs | 888532 |
Vulnerable and fixed packages
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+deb8u8 | vulnerable |
| stretch (security), stretch | 2.1.2-1.1+deb9u3 | vulnerable |
| buster | 2.3.0-2 | 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 | | 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