CVE-2021-3467 Null dereference in jasper

What is CVE-2021-3467?

CVE-2021-3467 is a medium-severity vulnerability in Fedoraproject Fedora, published on 25 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2021-3467?

It affects 2 products.

Products include Fedoraproject Fedora, Jasper Project Jasper.

How do I fix CVE-2021-3467?

Upgrade to a fixed version.

Is CVE-2021-3467 being exploited?

There is no known exploitation of CVE-2021-3467 in the wild and no public exploit code.

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• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-6495, GHSA-grq7-m4w9-7hrw, UBUNTU-CVE-2021-3467.