Out-of-bounds write in MuPDF - CVE-2021-37220
Published: July 28, 2021 / Updated: May 12, 2023
Vulnerability identifier: #VU55403
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-37220
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
MuPDF
MuPDF
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the cached color converter. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2021-37220
Install update from vendor's website.