CVE-2025-40775

high · 7.5

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.

7.5

CVSS

15.2%

EPSS (exploit prob.)

97th

EPSS percentile

2025-05-21

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-232

References

https://kb.isc.org/docs/cve-2025-40775
http://www.openwall.com/lists/oss-security/2025/05/21/1
https://security.netapp.com/advisory/ntap-20250523-0001/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-40775