CVE-2024-34161: NGINX HTTP/3 QUIC vulnerability
First published: Wed May 29 2024(Updated: )
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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NGINX Plus | ||
| NGINX Open Source | ||
| Nginx | >=1.25.0<1.26.1 | |
| Nginx | =r30 | |
| Nginx | =r30-p1 | |
| Nginx | =r30-p2 | |
| Nginx | =r31 | |
| Nginx | =r31-p1 | |
| Fedora | =39 | |
| Fedora | =40 |
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Reference Links
- https://my.f5.com/manage/s/article/K000139627
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7RPLWC35WHEUFCGKNFG62ESNID25TEZ/
- http://www.openwall.com/lists/oss-security/2024/05/30/4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MLAOKJWDALQZBIV3WKGPJ6T5Z56D3PRD/
Frequently Asked Questions
What is the severity of CVE-2024-34161?
CVE-2024-34161 is considered a memory leak vulnerability that can affect the stability of NGINX when configured with the HTTP/3 QUIC module.
How do I fix CVE-2024-34161?
To mitigate CVE-2024-34161, update NGINX Plus or NGINX OSS to the latest version that does not contain this vulnerability.
Which versions of NGINX are affected by CVE-2024-34161?
CVE-2024-34161 affects NGINX Plus r30 and r31, as well as NGINX OSS versions between 1.25.0 and 1.26.1 inclusive.
What happens if I don't address CVE-2024-34161?
Failing to address CVE-2024-34161 may lead to increased memory usage and potential process crashes due to memory leaks.
Is CVE-2024-34161 a potential exploit for attackers?
While CVE-2024-34161 itself is a memory leak vulnerability, it can be exploited under specific conditions, potentially allowing for denial of service.
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