Source: krb5 X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for krb5. CVE-2025-3576[0]: | A vulnerability in the MIT Kerberos implementation allows GSSAPI- | protected messages using RC4-HMAC-MD5 to be spoofed due to | weaknesses in the MD5 checksum design. If RC4 is preferred over | stronger encryption types, an attacker could exploit MD5 collisions | to forge message integrity codes. This may lead to unauthorized | message tampering. So far the only reference here is from Red Hat Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2359465 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-3576 https://www.cve.org/CVERecord?id=CVE-2025-3576 Please adjust the affected versions in the BTS as needed.

