CVE-2019-3829 Use after free in gnutls

What is CVE-2019-3829?

CVE-2019-3829 is a medium-severity use after free vulnerability in Fedoraproject Fedora, published on 27 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. A memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.

Weakness: CWE-415, CWE-416

Which versions are affected by CVE-2019-3829?

It affects 2 products.

Products include Fedoraproject Fedora, Gnu Gnutls.

How do I fix CVE-2019-3829?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-3829 being exploited?

There is no known exploitation of CVE-2019-3829 in the wild and no public exploit code.

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• 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 ALPINE-CVE-2019-3829, DEBIAN-CVE-2019-3829, GHSA-mm54-95hq-f739, MGASA-2019-0134, UBUNTU-CVE-2019-3829.