CVE-2024-24990: f5 nginx open source Use After Free

Vulnerability summary

CVE-2024-24990 is a high (CVSS 7.5) Use After Free vulnerability in f5 nginx open source. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.4% of scored vulnerabilities.

Timeline

1. 14-02-2024
   PublishedVulnerability first disclosed.
2. 08-05-2025
   Last modifiedVulnerability information updated.

Description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.