CVE-2022-38177: Debian Linux

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• ISC BIND: from 9.8.4, up to and including 9.16.32; version 9.9.3 only; version 9.9.12 only; version 9.9.13 only; version 9.10.5 only; version 9.10.7 only; …
• Netapp Active Iq Unified Manager: affected versions not specified

Published 2022-09-21. Last modified 2026-09-01.