| Name | CVE-2016-2191 |
| Description | The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3546-1 |
| Debian Bugs | 820068 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| optipng (PTS) | jessie, jessie (lts) | 0.7.5-1+deb8u3 | fixed |
| stretch (security) | 0.7.6-1+deb9u1 | fixed |
| stretch (lts), stretch | 0.7.6-1+deb9u2 | fixed |
| buster, bullseye | 0.7.7-1 | fixed |
| bookworm | 0.7.7-2 | fixed |
| sid, trixie | 0.7.8+ds-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://sourceforge.net/p/optipng/bugs/59/
https://www.openwall.com/lists/oss-security/2016/04/04/2