CVE-2021-36692: Libjxl Project Libjxl

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.

Affected products

• Libjxl Project Libjxl: version 0.3.7 only

Published 2021-08-30. Last modified 2026-06-17.