CVE-2025-40780
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cache poisoning due to weak PRNG
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
BIND 9
- Vendor
- ISC
- Product
- BIND 9
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 9.16.0 | affected | custom | Unavailable | 9.16.50 | None listed |
| 9.18.0 | affected | custom | Unavailable | 9.18.39 | None listed |
| 9.20.0 | affected | custom | Unavailable | 9.20.13 | None listed |
| 9.21.0 | affected | custom | Unavailable | 9.21.12 | None listed |
| 9.16.8-S1 | affected | custom | Unavailable | 9.16.50-S1 | None listed |
| 9.18.11-S1 | affected | custom | Unavailable | 9.18.39-S1 | None listed |
| 9.20.9-S1 | affected | custom | Unavailable | 9.20.13-S1 | None listed |