| Name | CVE-2007-2445 |
| Description | The png_handle_tRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service (application crash) via a grayscale PNG image with a bad tRNS chunk CRC value. |
| 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-1613-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libgd2 (PTS) | jessie, jessie (lts) | 2.1.0-5+deb8u15 | fixed |
| stretch (security) | 2.2.4-2+deb9u4 | fixed |
| stretch (lts), stretch | 2.2.4-2+deb9u6 | fixed |
| buster (security), buster, buster (lts) | 2.2.5-5.2+deb10u1 | fixed |
| bullseye | 2.3.0-2 | fixed |
| bookworm | 2.3.3-9 | fixed |
| sid, trixie | 2.3.3-12 | fixed |
| libpng (PTS) | jessie, jessie (lts) | 1.2.50-2+deb8u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libgd2 | source | etch | 2.0.33-5.2etch1 | low | | |
| libgd2 | source | (unstable) | 2.0.35.dfsg-1 | low | | |
| libpng | source | etch | 1.2.15~beta5-1+etch2 | | | |
| libpng | source | (unstable) | 1.2.15~beta5-2 | | | |
| libpng3 | source | (unstable) | (not affected) | | | |
Notes
Only a crash, no code injection. Calling this DoS stretches things rather far