PT-2021-21584

CVE-2021-37220

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Published

2021-07-21

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Updated

2025-10-16

Description by

CVSS 3.1
5.5
Medium
MetricsAV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions MuPDF versions prior to 1.18.2
Description The issue arises from an out-of-bounds write in the cached color converter, which fails to properly consider the maximum key size of a hash table. This can be observed with crafted "mutool draw" input.
Recommendations For MuPDF versions prior to 1.18.2, update to version 1.18.2 or later to resolve the issue.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
ALT-PU-2024-17298
ALT-PU-2024-17458
ALT-PU-2025-1462
ALT-PU-2025-5278
USN-7825-1
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