| Name | CVE-2011-2691 |
| Description | The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG 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-2287-1 |
| Debian Bugs | 633871 |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libpng | source | lenny | 1.2.27-2+lenny5 | DSA-2287-1 | ||
| libpng | source | squeeze | 1.2.44-1+squeeze1 | DSA-2287-1 | ||
| libpng | source | (unstable) | 1.2.46-1 | low | 633871 |