| Name | CVE-2021-4216 |
| Description | A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mupdf (PTS) | buster | 1.14.0+ds1-4+deb10u3 | vulnerable |
| buster (security) | 1.14.0+ds1-4+deb10u2 | vulnerable |
| bullseye | 1.17.0+ds1-2 | vulnerable |
| bullseye (security) | 1.17.0+ds1-1.3~deb11u1 | vulnerable |
| bookworm | 1.21.1+ds2-1 | fixed |
| sid, trixie | 1.23.10+ds1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| mupdf | source | (unstable) | 1.20.0+ds1-1 | unimportant | | |
Notes
https://bugs.ghostscript.com/show_bug.cgi?id=704834
https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf (1.20.0-rc1)
Negligible security impact, crash in CLI tool