CVE-2025-40775

Name
CVE-2025-40775
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
vendor-advisory https://kb.isc.org/docs/cve-2025-40775
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/05/21/1
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20250523-0001/

Match rules

CPE URI Source package Min version Max version
bind-9 >= 9.20.0 <= 9.20.8
bind-9 >= 9.21.0 <= 9.21.7

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
bind edge-main 9.20.9-r0 Mike Crute <mike@crute.us> fixed
bind 3.22-main 9.20.9-r0 None fixed
bind 3.21-main 9.18.37-r0 Mike Crute <mike@crute.us> fixed
bind 3.20-main 9.18.37-r0 Mike Crute <mike@crute.us> fixed
bind 3.19-main 9.18.37-r0 Mike Crute <mike@crute.us> fixed
bind 3.18-main 9.18.37-r0 Mike Crute <mike@crute.us> fixed