CVE-2024-31079: 
NGINX vulnerability analysis and mitigation

CVE-2024-31079 affects NGINX Plus and NGINX OSS when configured to use the HTTP/3 QUIC module. The vulnerability allows undisclosed HTTP/3 requests to cause NGINX worker processes to terminate or potentially have other impacts. The vulnerability was discovered in May 2024 and affects nginx versions 1.25.0-1.25.5 and 1.26.0 (NVD, Security Online).

The vulnerability is classified as a stack overflow and use-after-free vulnerability with a CVSS v3.1 Base Score of 4.8 (Medium). The attack vector requires specifically timed HTTP/3 requests during the connection draining process, which the attacker has limited visibility and influence over. The vulnerability is associated with CWE-787 (Out-of-bounds Write) and CWE-121 (Stack-based Buffer Overflow) (NVD).

When successfully exploited, this vulnerability can lead to the termination of NGINX worker processes and potentially cause other unspecified impacts. The vulnerability specifically affects configurations where the HTTP/3 QUIC module is enabled (Security Online).

The vulnerability has been fixed in nginx versions 1.27.0 and 1.26.1. Users are strongly advised to upgrade to these patched versions. For Fedora users, updates are available through the package manager using 'dnf upgrade' command with the specific advisory (Fedora Advisory).