Buffer overflow in Isc Bind
CVE-2023-2911
If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unex…
Vulnerability class: Buffer Overflow
EPSS: 0.024 (82.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- security-officer@isc.org (vendor-advisory, Vendor Advisory)
- security-officer@isc.org (Patch, Mailing List, Third Party Advisory)
- security-officer@isc.org (Mailing List, Third Party Advisory)
- security-officer@isc.org (Third Party Advisory)
- security-officer@isc.org (Mailing List, Third Party Advisory)
- security-officer@isc.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-2911?
- CVE-2023-2911 is a high-severity vulnerability in Isc Bind, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-06-21.
- How severe is CVE-2023-2911?
- High severity. CVSS v3 base score is 7.5 out of 10.