CVE-2022-38177
7.5
HIGH
CVSS 3.1
EPSS 1.2%
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.
How to fix CVE-2022-38177
To remediate CVE-2022-38177, upgrade the affected package to a fixed version below.
- Alpine/bind—upgrade to 9.16.33-r0 or later
- Debian/bind9—upgrade to 1:9.16.33-1~deb11u1 or later
Is CVE-2022-38177 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.16.33-r0
- from 0, < 1:9.16.33-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |