CVE-2022-31620: Libjpeg Project Libjpeg

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

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.

Affected products

• Libjpeg Project Libjpeg: before 1.64 (fixed in 1.64)

Published 2022-05-25. Last modified 2026-06-17.