What’s Vulnerable › Vulnerabilities
CVE-2020-29363
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-12-16 · updated 2026-10-14
- Weakness: CWE-787
Description
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 products
- Debian Linux: 10.0
- Oracle Communications Cloud Native Core Policy: 1.14.0
- P11-Kit Project P11-Kit: from 0.23.6 before 0.23.22 — fixed in 0.23.22
How to fix
Upgrade to a fixed version: P11-Kit Project P11-Kit 0.23.22. Check the vendor advisory for mitigations.
References
- https://github.com/p11-glue/p11-kit/releases
- https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5j67-fw89-fp6x
- https://www.debian.org/security/2021/dsa-4822
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://github.com/p11-glue/p11-kit/releases
- https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5j67-fw89-fp6x
- https://www.debian.org/security/2021/dsa-4822
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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