CVE-2026-12610

CVE-2026-12610 updated by NVD

Modified

2026-09-02

Sources

nvd

Summary

A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that disrupts authentication. This vulnerability also presents a potential for privilege escalation, although it is difficult to exploit.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-12610