CVE-2026-18938 P11-kit: integer overflow in rpc attribute-array length calculation can under-allocate nested attribute storage on 32 bit systems

A flaw was found in p11-kit. A local attacker, or one with equivalent access to a reachable RPC channel, could exploit an integer overflow vulnerability. By sending specially crafted messages, the attacker can cause the system to miscalculate memory allocation for nested attributes. This leads to...

p11-kit security update

An update is available for p11-kit. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The p11-kit packages provide a mechanism to manage PKCS11 modules. The...

RLSA-2026:49667 Moderate: p11-kit security update

The p11-kit packages provide a mechanism to manage PKCS11 modules. The p11-kit-trust subpackage includes a PKCS11 trust module that provides certificate anchors and black lists based on configuration files. Security Fixes: p11-kit: Stack exhaustion via unbounded recursion in RPC attribute parsing...

Moderate: Red Hat Security Advisory: p11-kit security update

An update for p11-kit is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RHEL 9 : p11-kit (RHSA-2026:49667)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:49667 advisory. The p11-kit packages provide a mechanism to manage PKCS11 modules. The p11-kit-trust subpackage includes a PKCS11 trust module that provides...

ALSA-2026:49667 Moderate: p11-kit security update

The p11-kit packages provide a mechanism to manage PKCS11 modules. The p11-kit-trust subpackage includes a PKCS11 trust module that provides certificate anchors and black lists based on configuration files. Security Fixes: p11-kit: Stack exhaustion via unbounded recursion in RPC attribute parsing...

CVE-2026-13757

CVE-2026-13757 affects p11-kit. The RPC attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() can form a mutually-recursive call chain with no recursion depth limit when handling nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TE...