JLSEC-2026-94 Critical 9.1

JLSEC-2026-94

JLSEC Published: Apr 13, 2026
Modified: Jul 17, 2026
Severity: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Packages: Kerberos_krb5_jll < 1.21.3+0
Upstream: CVE-2024-37371

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.

References

https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef
https://security.netapp.com/advisory/ntap-20241108-0009/
https://security.netapp.com/advisory/ntap-20250124-0010/
https://web.mit.edu/kerberos/www/advisories/