VULNERABILITY INTELLIGENCE
CVE-2022-38177
CVSS score7.5 HIGH
EPSS probability3.29%
CISA KEVNot currently listed
Published2022-09-21
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- nvd@nist.gov: CWE-401
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-401
Primary references
- security-officer@isc.org — Mailing List, Patch, Third Party Advisory
- security-officer@isc.org — Patch, Third Party Advisory
- security-officer@isc.org — Mailing List, Third Party Advisory
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory