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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://access.redhat.com/security/cve/CVE-2026-13757 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2494556 Issue Tracking, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.2 · redhat, p11-kit_projectNVD modified 2026-10-14 20:17
Affected (CPE criteria) 8
cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*cpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:p11-kit_project:p11-kit:-:*:*:*:*:*:*:*
References 27
- 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/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:72394
- https://access.redhat.com/errata/RHSA-2026:72395
- https://access.redhat.com/errata/RHSA-2026:72399
- https://access.redhat.com/errata/RHSA-2026:72470
- https://access.redhat.com/errata/RHSA-2026:72475
- https://access.redhat.com/errata/RHSA-2026:72476
- https://access.redhat.com/errata/RHSA-2026:72502
- https://access.redhat.com/errata/RHSA-2026:81201
- https://access.redhat.com/errata/RHSA-2026:82304
- https://access.redhat.com/errata/RHSA-2026:82322
- https://access.redhat.com/errata/RHSA-2026:82336
- https://access.redhat.com/errata/RHSA-2026:82347
- https://access.redhat.com/errata/RHSA-2026:82354
- https://access.redhat.com/errata/RHSA-2026:82372
- https://access.redhat.com/errata/RHSA-2026:82857
- https://access.redhat.com/errata/RHSA-2026:82888
- https://access.redhat.com/security/cve/CVE-2026-13757 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2494556 Issue Tracking, Vendor Advisory
- https://github.com/advisories/GHSA-p2wm-69qx-x25w