CVE-2024-34161

Name: CVE-2024-34161
Creator: NVD / NIST
Published: 2024-05-29T16:15:10.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2024-34161 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.87%

54.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F5	Nginx Open Source	>= 1.25.0, < 1.26.1
F5	Nginx Plus	r30
F5	Nginx Plus	r31
Fedoraproject	Fedora	39
Fedoraproject	Fedora	40

References

http://www.openwall.com/lists/oss-security/2024/05/30/4Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MLAOKJWDALQZBIV3WKGPJ6T5Z56D3PRD/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7RPLWC35WHEUFCGKNFG62ESNID25TEZ/Third Party Advisory
https://my.f5.com/manage/s/article/K000139627Vendor Advisory
http://www.openwall.com/lists/oss-security/2024/05/30/4Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MLAOKJWDALQZBIV3WKGPJ6T5Z56D3PRD/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7RPLWC35WHEUFCGKNFG62ESNID25TEZ/Third Party Advisory
https://my.f5.com/manage/s/article/K000139627Vendor Advisory

Timeline

Published: May 29, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-34161?

How severe is CVE-2024-34161?

CVE-2024-34161 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2024-34161?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-34161?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST