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VULNERABILITIES

CVE-2023-2911 Details

Description

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 unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://kb.isc.org/docs/cve-2023-2911 CVEVendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/ CVEMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/ CVEMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0010/ CVEThird Party Advisory
https://www.debian.org/security/2023/dsa-5439 CVEThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-2911
NVD Published Date:
Jun 21, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-2911 Details - Not Deferred