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Findings

CVE-2020-29362

An issue was discovered in p11-kit 0.21.1 through 0.23.21.

Published Dec 16, 2020 · updated Oct 14, 2026 · p11-kit project p11-kit

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 16, 2020 · NIST NVD

    Detected

    An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

  2. Oct 14, 2026 · NIST NVD

    Updated

    An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Affected

  • cpe p11-kit project/p11-kitversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2020-29362

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-29362

    30-day exploitation probability 2.3%

    first.org
  • NIST NVDVulnerability recordCVE-2020-29362

    An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function ca

    nvd.nist.gov

References