CVEvulnerability

CVE-2025-40775

7.5 HIGH Published 2025-05-21 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2025-05-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-232

Description

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.

Related

Weakness · CWE (1)

  • CWE-232 Improper Handling of Undefined Values weakness

References