CVE-2024-34362

5.9 mediumEPSS 0.6%

Medium (5.9) in envoyproxy envoy. EPSS 0.6% chance of exploitation in the next 30 days.

Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.

Severity

CVSS 3.1

5.9 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2024-06-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

envoyproxy:envoy

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv
https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv

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