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.
62
CVE-2025-40780
- CVSS 3.1
- 8.6 high
- EPSS
- <1%p39
- Published
- ·
- Modified
Description · NVD
In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 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, 9.16.8-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-341
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N