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, for example, be seen with crafted "mutool draw" input.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.33% chance of exploitation in the next 30 days, 69th percentile

Published

2021-07-21

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://bugs.ghostscript.com/show_bug.cgi?id=703791

References

• CVE Record
• NVD entry

Related

• CVE-2021-37216
• CVE-2021-37221
• CVE-2021-37158
• CVE-2021-37253
• CVE-2021-37157
• CVE-2021-3728