CVE-2024-53269

Happy Eyeballs: Validate that additional_address are IP addresses instead of crashing when sorting in envoy

HIGH

7.5

CVSS Score

Published: December 18, 2024 at 07:12 PM UTC

Updated: June 17, 2026 at 08:08 AM UTC

1 product affected across 1 vendorEnvoy

Using envoy by envoyproxy?

Get instant alerts when new vulnerabilities affect envoy - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Envoy · Envoyproxy

95%

v < 1.30.8v < 1.31.4v < 1.32.21.30.0 ≤ v < 1.30.81.31.0 ≤ v < 1.31.41.32.0 ≤ v < 1.32.2

Affected range stops below 1.30.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.31.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.32.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/envoyproxy/envoy/pull/37743/commits/3f62168d86aceb90f743f63b50cc711710b1c401

References (2)

x_refsource_MISCPatch

Source: [email protected]

https://github.com/envoyproxy/envoy/pull/37743/commits/3f62168d86aceb90f743f63b50cc711710b1c401

x_refsource_CONFIRMExploitThird Party Advisory

Source: [email protected]

https://github.com/envoyproxy/envoy/security/advisories/GHSA-mfqp-7mmj-rm53

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-670

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card