Findings

CVE-2020-29363

An issue was discovered in p11-kit 0.23.6 through 0.23.21.

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

An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 16, 2020 · NIST NVD

    Detected

    An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.

  2. Oct 14, 2026 · NIST NVD

    Updated

    An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.

Affected

  • cpe debian/debian linux10.0
  • cpe oracle/communications cloud native core policy1.14.0
  • cpe p11-kit project/p11-kitversion unspecified

Sources

  • CVE.orgCVE-2020-29363

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2020-29363

    30-day exploitation probability 3.5%

    first.org
  • NIST NVDCVE-2020-29363

    An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving

    nvd.nist.gov

References