Is there a public exploit for CVE-2024-32974?

No public exploit for CVE-2024-32974 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2024-32974?

CVE-2024-32974 scores CVSS 5.9 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.69%.

What does CVE-2024-32974 affect?

CVE-2024-32974 affects envoyproxy envoy.

5.9 Medium

Envoy is a cloud-native, open source edge and service proxy.

CVE-2024-32974

Envoy is a cloud-native, open source edge and service proxy. A crash was observed in EnvoyQuicServerStream::OnInitialHeadersComplete() with following call stack. It is a use-after-free caused by QUICHE continuing push request headers after StopReading() being called on the stream. As after StopReading(), the HCM's ActiveStream might have already be destroyed and any up calls from QUICHE could potentially cause use after free.

Assessment

CVSS: 5.9 (v3.1)
Severity: Medium
EPSS: 0.69% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 4 June 2024
Last updated: 5 November 2026
Affected: envoyproxy · envoy
Assigner: GitHub_M

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

At the source

EUVD (ENISA)

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-mgxp-7hhp-8299

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