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CVE-2026-13757

A flaw was found in p11-kit.

Impact

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.

Affected products

VendorProductAffected versions
RedhatHardened Images
All versions
RedhatOpenshift Container Platform
from 4.0 through 4.22.1
RedhatEnterprise Linux
Versions 6.0, 7.0, 8.0, 9.0, 10.0
P11-Kit ProjectP11-Kit
All versions

Weakness classification

CWE-674

References