7.5
High
CVE-2026-3104 A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Hardened Images 9.18 | earliest → < 9.18.48-1.hum1 | 9.18.48-1.hum1 |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| BIND 9 9.21 | 9.21.0 → 9.21.19 | No fix stated |
| BIND 9 9.20 | 9.20.0 → 9.20.20 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| BIND 9 9.18 | earliest → < 9.18.0 | 9.18.0 |
References
- CVE-2026-3104 kb.isc.org
- downloads.isc.org downloads.isc.org
- downloads.isc.org downloads.isc.org
Timeline
- Published
- Last modified
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