Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package bind (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-BIND-19877534
- published17 Sept 2026
- disclosed16 Sept 2026
Introduced: 16 Sep 2026
CVE-2026-19667 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind package and not the bind package as distributed by RHEL.
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts.
This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2535435
- https://access.redhat.com/security/cve/CVE-2026-19667
- https://access.redhat.com/errata/RHSA-2026:68279
- https://access.redhat.com/errata/RHSA-2026:75577
- https://downloads.isc.org/isc/bind9/9.20.29
- https://downloads.isc.org/isc/bind9/9.21.26
- https://kb.isc.org/docs/cve-2026-19667