CVE-2022-31620

MEDIUM 6.5CVE-2022-31620 · Published 25/05/2022 · updated 17/06/2026

In short

CVE-2022-31620 is a MEDIUM (CVSS 6.5) vulnerability affecting libjpeg (libjpeg project).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.1% of all vulnerabilities.
Fix: update to 1.64 or later.

Package	Affected versions	Patched versions
libjpeg libjpeg_project	`< 1.64`	`1.64`

Description

In libjpeg before 1.64, BitStream<false>::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan.

References

thorfdbg/libjpeg commit ef4a29a · Patch
thorfdbg/libjpeg · Exploit

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