CVE-2021-3467: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.26 handled component references in CDEF box in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened.

Affected products

• Fedoraproject Fedora: version 34 only
• Jasper Project Jasper: before 2.0.26 (fixed in 2.0.26)

Published 2021-03-25. Last modified 2026-06-17.