CVE-2021-37220

PoC —

CVSS 3.1

5.5 medium

EPSS

1%p70

Published

Jul 21, 2021 (Jul 21, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: artifex fedoraproject
Products: mupdf, fedora
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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