CVE-2021-3467

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-25 · updated 2026-06-17
Weakness: CWE-476

Description

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: 34
jasper: before 2.0.26 — fixed in 2.0.26

How to fix

Upgrade to a fixed version: jasper 2.0.26. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1942097
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWAIUFNIUCGS2IMGGDTWZIUIY7BNLGKF/
https://bugzilla.redhat.com/show_bug.cgi?id=1942097
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWAIUFNIUCGS2IMGGDTWZIUIY7BNLGKF/

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