CVE search · CVE-2026-6245
CVE-2026-6245
medium 5.5
A flaw was found in the System Security Services Daemon (SSSD). The pam_passkey_child_read_data() function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data is treated as a NUL-terminated C string without explicit termination, it results in an out-of-bounds read when processed by functions like snprintf(). A local attacker could potentially trigger this vulnerability by initiating a crafted passkey authentication request, causing the SSSD PAM responder to crash, resulting in a local Denial of Service (DoS).
Details
- Status
- Modified
- Published
- Last changed
- Source
- secalert@redhat.com
- Weakness
- CWE-805
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | medium 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
secalert@redhat.comSecondary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- fedoraproject · sssd
- redhat · openshift_container_platform
- redhat · enterprise_linux