What’s Vulnerable › Vulnerabilities

CVE-2024-1737: BIND's database will be slow if a very large number of RRs exist at the same name

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-23 · updated 2026-06-17
• Weakness: CWE-770

Description

Resolver caches and authoritative zone databases that hold significant numbers of RRs for the same hostname (of any RTYPE) can suffer from degraded performance as content is being added or updated, and also when handling client queries for this name. This issue affects BIND 9 versions 9.11.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.4-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.

Affected products

• ISC BIND: from 9.11.0 through 9.11.37; from 9.11.4 through 9.16.50; from 9.16.0 through 9.18.27; from 9.16.8 through 9.19.24; from 9.18.0 through 9.11.37_s1; from 9.18.11 through 9.16.50_s1

References

• http://www.openwall.com/lists/oss-security/2024/07/23/1
• http://www.openwall.com/lists/oss-security/2024/07/31/2
• https://kb.isc.org/docs/cve-2024-1737
• https://kb.isc.org/docs/rrset-limits-in-zones
• http://www.openwall.com/lists/oss-security/2024/07/23/1
• https://kb.isc.org/docs/cve-2024-1737
• https://kb.isc.org/docs/rrset-limits-in-zones
• https://security.netapp.com/advisory/ntap-20240731-0003/

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