CVE-2024-53269

Name: CVE-2024-53269
Creator: NVD / NIST
Published: 2024-12-18T20:15:24.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2024-53269 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Envoy is a cloud-native high-performance edge/middle/service proxy. When additional address are not ip addresses, then the Happy Eyeballs sorting algorithm will crash in data plane. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. When additional address are not ip addresses, then the Happy Eyeballs sorting algorithm will crash in data plane. This issue has been addressed in releases 1.32.2, 1.31.4, and 1.30.8. Users are advised to upgrade. Users unable to upgrade may disable Happy Eyeballs and/or change the IP configuration.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-670

Affected Software

Vendor	Product	Versions
Envoyproxy	Envoy	>= 1.30.0, < 1.30.8
Envoyproxy	Envoy	>= 1.31.0, < 1.31.4
Envoyproxy	Envoy	>= 1.32.0, < 1.32.2

References

https://github.com/envoyproxy/envoy/pull/37743/commits/3f62168d86aceb90f743f63b50cc711710b1c401Patch
https://github.com/envoyproxy/envoy/security/advisories/GHSA-mfqp-7mmj-rm53Exploit, Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-mfqp-7mmj-rm53Exploit, Third Party Advisory

Timeline

Published: Dec 18, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-53269?

How severe is CVE-2024-53269?

CVE-2024-53269 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2024-53269?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-53269?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST