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Vulnerability record · CVE-2023-4408 · published 13 February 2024

CVE-2023-4408: Netapp ontap vulnerability

NNetapp · Ontap

The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers. This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

7.5 CVSS 3.1 High EPSS 1.3% · top 29.9% CWE-407 · CWE-407
7.5CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers. This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2024/02/13/1 Mailing ListThird Party Advisory
https://kb.isc.org/docs/cve-2023-4408 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/HVRDSJVZKMCXKKPP6PNR62T7R Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/PNNHZSZPG2E7NBMBNYPGHCFI4 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/RGS7JN6FZXUSTC2XKQHH27574 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZDZFMEKQTZ4L7RY46FCENWFB5 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0001/ Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/02/13/1 Mailing ListThird Party Advisory
https://kb.isc.org/docs/cve-2023-4408 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/HVRDSJVZKMCXKKPP6PNR62T7R Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/PNNHZSZPG2E7NBMBNYPGHCFI4 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/RGS7JN6FZXUSTC2XKQHH27574 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZDZFMEKQTZ4L7RY46FCENWFB5 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0001/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-4408), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.