VDB
ALPINE-CVE-2025-40775
ALPINE-CVE-2025-40775
PUBLISHED
CVSS 7.5 HIGH
When an incoming DNS protocol message includes a Transaction Signature (TSIG), BIND always checks it. If the TSIG contains an invalid value in the algorithm field, BIND immediately aborts with an assertion failure. This issue affects BIND 9 versions 9.20.0 through 9.20.8 and 9.21.0 through 9.21.7.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | bind | 0, 9.9.5-r0, 9.9.4 |
| Alpine:v3.22 | bind | 9.9.5-r0, *, 0 |
| Alpine:v3.18 | bind | 9.7.0_p1-r1, 0, 9.10.0-r0 |
| Alpine:v3.19 | bind | 9.18.31-r0, 9.18.32-r0, 9.18.33-r0 |
| Alpine:v3.20 | bind | 9.18.14-r4, 0, 9.10.0-r0 |
| Alpine:v3.21 | bind | 0, 9.10.2-r1, 9.10.0-r0 |
Timeline
- May 21, 2025 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch