BIND DNS Servers Hit by 14 Security Flaws Enabling Cache Poisoning and Remote Crashes
ISC patched 14 high-severity BIND 9 flaws enabling DNS cache poisoning, DNSSEC bypass, and remote crashes of exposed recursive resolvers.
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Vulnerability2 · 1 read
CVE-2025-40778
- CVSS 3.1
- 8.6 high
- EPSS
- <1%p50
- Published
- ·
- Modified
Description · NVD
Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
- Weakness
- CWE-349
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
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