CVE-2021-3272 Memory corruption in n/a

What is CVE-2021-3272?

CVE-2021-3272 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 27 Jan 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

jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.

Weakness: CWE-125

Which versions are affected by CVE-2021-3272?

It affects 2 products.

Products include Fedoraproject Fedora, Jasper Project Jasper.

How do I fix CVE-2021-3272?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-3272 being exploited?

There is no known exploitation of CVE-2021-3272 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• 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-6493, GHSA-g2j5-mv4m-h6rc, UBUNTU-CVE-2021-3272.