Vulnerability Description
A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no recursion depth limit when processing nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TEMPLATE attributes. An unauthenticated attacker with local access to the p11-kit RPC Unix domain socket can send a specially crafted request with deeply nested template attributes, causing stack exhaustion and crashing the p11-kit server process and its dependent services.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Hardened Images | - |
| Redhat | Openshift Container Platform | >= 4.0, <= 4.22.1 |
| Redhat | Enterprise Linux | 6.0 |
| P11-Kit Project | P11-Kit | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:37469
- https://access.redhat.com/errata/RHSA-2026:38342
- https://access.redhat.com/errata/RHSA-2026:49667
- https://access.redhat.com/errata/RHSA-2026:49668
- https://access.redhat.com/errata/RHSA-2026:53371
- https://access.redhat.com/errata/RHSA-2026:54387
- https://access.redhat.com/errata/RHSA-2026:54760
- https://access.redhat.com/security/cve/CVE-2026-13757Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2494556Issue TrackingVendor Advisory
- https://github.com/advisories/GHSA-p2wm-69qx-x25w
FAQ
What is CVE-2026-13757?
CVE-2026-13757 is a vulnerability with a CVSS score of 6.2 (MEDIUM). A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no re...
How severe is CVE-2026-13757?
CVE-2026-13757 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-13757?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Hardened Images, Redhat Openshift Container Platform, Redhat Enterprise Linux, P11-Kit Project P11-Kit.