HIGHCVE-2026-3104Published Modified CNA isc
CVE-2026-3104: Memory leak in code preparing DNSSEC proofs of non-existence
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.
Metrics
- CVSS v3.1
- 7.5
- Severity
- HIGH
- Fixed in
- 9.18.0
- Affected Products
- 1
Affected packages
- ISC / BIND 9≤ 9.20.20 · ≤ 9.21.19 · ≤ 9.20.20-S1Fixed in 9.18.0, 9.18.11-S1
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H