| Name | CVE-2021-20224 |
| Description | An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c. Function calls to GetPixelIndex() could result in values outside the range of representable for the 'unsigned char'. When ImageMagick processes a crafted pdf file, this could lead to an undefined behaviour or a crash. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3357-1, ELA-819-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| imagemagick (PTS) | jessie, jessie (lts) | 8:6.8.9.9-5+deb8u26 | fixed |
| stretch (security) | 8:6.9.7.4+dfsg-11+deb9u14 | vulnerable |
| stretch (lts), stretch | 8:6.9.7.4+dfsg-11+deb9u19 | fixed |
| buster | 8:6.9.10.23+dfsg-2.1+deb10u1 | vulnerable |
| buster (security) | 8:6.9.10.23+dfsg-2.1+deb10u7 | fixed |
| bullseye | 8:6.9.11.60+dfsg-1.3+deb11u2 | fixed |
| bullseye (security) | 8:6.9.11.60+dfsg-1.3+deb11u3 | fixed |
| bookworm | 8:6.9.11.60+dfsg-1.6 | fixed |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u1 | fixed |
| trixie | 8:6.9.12.98+dfsg1-5 | fixed |
| sid | 8:6.9.12.98+dfsg1-5.2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/ImageMagick/ImageMagick/pull/3083
https://github.com/ImageMagick/ImageMagick/commit/5af1dffa4b6ab984b5f13d1e91c95760d75f12a6
https://github.com/ImageMagick/ImageMagick6/commit/553054c1cb1e4e05ec86237afef76a32cd7c464d