Vulnerability intelligence

CVE-2024-24989

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

CVSS Score

7.5

High

EPSS — Exploit Probability

1.1%

Riskier than 61% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered May 25, 2026 · latest May 25, 2026

Coverage timeline

Critical NGINX heap overflow flaw lets attackers hijack servers
securityonline.info · May 25, 2026