CVE-2021-4216

NameCVE-2021-4216
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mupdf (PTS)buster1.14.0+ds1-4+deb10u3vulnerable
buster (security)1.14.0+ds1-4+deb10u2vulnerable
bullseye1.17.0+ds1-2vulnerable
bullseye (security)1.17.0+ds1-1.3~deb11u1vulnerable
bookworm, sid1.21.0+ds1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mupdfsource(unstable)1.20.0+ds1-1unimportant

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

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