Memory Leak The advisory has been revoked - it doesn't affect any version of package bind9 (opens in a new tab)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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN12-BIND9-15801696
- published28 Mar 2026
- disclosed25 Mar 2026
Introduced: 25 Mar 2026
CVE-2026-3104 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:12.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Debian.
A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
References
- https://security-tracker.debian.org/tracker/CVE-2026-3104
- https://downloads.isc.org/isc/bind9/9.20.21
- https://downloads.isc.org/isc/bind9/9.21.20
- https://kb.isc.org/docs/cve-2026-3104
- https://access.redhat.com/errata/RHSA-2026:6935
- https://access.redhat.com/security/cve/CVE-2026-3104
- https://bugzilla.redhat.com/show_bug.cgi?id=2451310
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3104.json