Vulnerability · Published May 29, 2024 · Assigned by f5

CVE-2024-34161NGINX HTTP/3 QUIC vulnerability

Medium 5.3

In plain English

A medium-severity use-after-free in NGINX Open Source from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.9%top 41.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module and the network infrastructure supports a Maximum Transmission Unit (MTU) of 4096 or greater without fragmentation, undisclosed QUIC packets can cause NGINX worker processes to leak previously freed memory.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20nginx0ALPINE-CVE-2024-34161
Alpine:v3.21nginx0ALPINE-CVE-2024-34161
Alpine:v3.22nginx0ALPINE-CVE-2024-34161
Alpine:v3.23nginx0ALPINE-CVE-2024-34161
Alpine:v3.24nginx0ALPINE-CVE-2024-34161
Debian:13nginx1.26.0-2DEBIAN-CVE-2024-34161
Debian:14nginx1.26.0-2DEBIAN-CVE-2024-34161

Affected products (as reported)

VendorProductVersions
F5 NGINX Open Source 1.25.0 – before 1.26.1
F5 NGINX Plus R30 – before R32

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References