CVE-2022-38178
High
Published: 21 September 2022
Published
21 September 2022
Modified
28 May 2025
KEV Added
—
Patch
21 September 2022
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0126
79.8th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-38178 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Isc Bind. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 20.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40774
Vulnerability details
By spoofing the target resolver with responses that have a malformed EdDSA 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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
isc
bind
9.11.12, 9.11.14-s1, 9.11.19-s1, 9.11.21, 9.11.27 · 9.9.12 — 9.9.13 · 9.10.7 — 9.10.8 · 9.11.3 — 9.16.32
debian
debian linux
11.0
fedoraproject
fedora
35, 36, 37
netapp
active iq unified manager
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.