| Name | CVE-2020-16293 |
| Description | A null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51. |
| 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-2335-1, DSA-4748-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ghostscript (PTS) | buster | 9.27~dfsg-2+deb10u5 | fixed |
| buster (security) | 9.27~dfsg-2+deb10u9 | fixed |
| bullseye | 9.53.3~dfsg-7+deb11u4 | fixed |
| bullseye (security) | 9.53.3~dfsg-7+deb11u5 | fixed |
| bookworm, bookworm (security) | 10.0.0~dfsg-11+deb12u1 | fixed |
| trixie | 10.01.2~dfsg-1 | fixed |
| sid | 10.02.0~dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.ghostscript.com/show_bug.cgi?id=701795
https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7870f4951bcc6a153f317e3439e14d0e929fd231 (9.51)