CVE-2024-53271

HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to upgrade. There are no known workarounds for this issue.

Affected

envoyproxy · envoy

CVSS v3.1 GITHUB

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

EPSS

0.62% chance of exploitation in the next 30 days, 49th percentile

Published

2024-12-18

Proof-of-concept exploits (1)

• envoyproxy/envoy/security/advisories/GHSA-rmm5-h2wv-mg4f

Security advisories

• envoyproxy/envoy/commit/da56f6da63079baecef9183436ee5f4141a59af8

References

• CVE Record
• NVD entry