CVE-2021-37220

EUVD-2021-23792
MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the maximum key size of a hash table. This can, for example, be seen with crafted "mutool draw" input.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
Affected Products (NVD)
VendorProductVersion
artifexmupdf
𝑥
≤ 1.18.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mupdf
bookworm
1.21.1+ds2-1
fixed
bullseye
1.17.0+ds1-2
fixed
bullseye (security)
vulnerable
buster
no-dsa
sid
1.24.10+ds1-1
fixed
stretch
not-affected
trixie
1.24.10+ds1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mupdf
bionic
needed
focal
needed
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
needs-triage
Common Weakness Enumeration
References
http://git.ghostscript.com/?p=mupdf.git%3Bh=f5712c9949d026e4b891b25837edd2edc166151f
https://bugs.ghostscript.com/show_bug.cgi?id=703791
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/
http://git.ghostscript.com/?p=mupdf.git%3Bh=f5712c9949d026e4b891b25837edd2edc166151f
https://bugs.ghostscript.com/show_bug.cgi?id=703791
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/