CVE-2026-26310
Last modified
CVE-2026-26310 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Envoyproxy | Envoy | < 1.34.13 |
| Envoyproxy | Envoy | >= 1.35.0, < 1.35.8 |
| Envoyproxy | Envoy | >= 1.36.0, < 1.36.5 |
| Envoyproxy | Envoy | 1.37.0 |
References
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3cw6-2j68-868pExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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