What’s Vulnerable › Vulnerabilities

CVE-2024-4076: Assertion failure when serving both stale cache data and authoritative zone content

• 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-617

Description

Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.33-S1 through 9.11.37-S1, 9.16.13-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.

Affected products

• ISC BIND: from 9.16.13 through 9.16.50; from 9.18.0 through 9.18.27; from 9.19.0 through 9.19.24; from 9.11.33-s1 through 9.11.37-s1; from 9.16.13-s1 through 9.16.50-s1; from 9.18.11-s1 through 9.18.27-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-2024-4076
• http://www.openwall.com/lists/oss-security/2024/07/23/1
• https://kb.isc.org/docs/cve-2024-4076
• https://security.netapp.com/advisory/ntap-20240731-0001/

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