| Name | CVE-2020-21890 |
| Description | Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document. |
| 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-3582-1, ELA-974-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ghostscript (PTS) | jessie, jessie (lts) | 9.26a~dfsg-0+deb8u13 | fixed |
| stretch (security) | 9.26a~dfsg-0+deb9u9 | vulnerable |
| stretch (lts), stretch | 9.26a~dfsg-0+deb9u13 | fixed |
| buster, buster (lts) | 9.27~dfsg-2+deb10u10 | fixed |
| buster (security) | 9.27~dfsg-2+deb10u9 | fixed |
| bullseye | 9.53.3~dfsg-7+deb11u7 | fixed |
| bullseye (security) | 9.53.3~dfsg-7+deb11u9 | fixed |
| bookworm | 10.0.0~dfsg-11+deb12u5 | fixed |
| bookworm (security) | 10.0.0~dfsg-11+deb12u6 | fixed |
| sid, trixie | 10.04.0~dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.ghostscript.com/show_bug.cgi?id=701846
Prerequisite for fixing commit: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=dbdb5f8527007b482d4e6037b558dbf3e6a06d3a (ghostpdl-9.51rc1)
Fixed by: https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=494eeedf73d13fac5710e56f3a8fb2e7e2379d73 (ghostpdl-9.51rc1)