CVE-2021-37220

published 2021-07-21

CVE-2021-37220: 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…

Priority P4 22 medium 5.5 CVSS 3.1

AV L AC L PR N UI R S U C N I N A H

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.

Affected

10 ranges

Vendor	Product	Version range	Fixed in
artifex	mupdf	<= 1.18.1	—
artifex	mupdf	>= 0 < 1.17.0+ds1-2	1.17.0+ds1-2
artifex	mupdf	>= 0 < 1.17.0+ds1-2	1.17.0+ds1-2
artifex	mupdf	>= 0 < 1.17.0+ds1-2	1.17.0+ds1-2
artifex	mupdf	>= 0 < 1.17.0+ds1-2	1.17.0+ds1-2
artifex	mupdf	>= 0 < 1.7a-1ubuntu0.1~esm1	1.7a-1ubuntu0.1~esm1
artifex	mupdf	>= 0 < 1.12.0+ds1-1ubuntu0.1~esm1	1.12.0+ds1-1ubuntu0.1~esm1
artifex	mupdf	>= 0 < 1.16.1+ds1-1ubuntu1+esm1	1.16.1+ds1-1ubuntu1+esm1
debian	mupdf	< mupdf 1.17.0+ds1-2 (bookworm)	mupdf 1.17.0+ds1-2 (bookworm)
fedoraproject	fedora	—	—

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvd v2.0 4.3 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P

osv 5.5 MEDIUM

vendor_debian 5.5 MEDIUM

vendor_ubuntu 5.5 MEDIUM

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CWE-787