An issue was discovered in p11-kit 0.23.6 through 0.23.21.
Priority LOW 39CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.03299 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:* | 0.23.6 to before 0.23.22 | Vulnerable | P11-kit Project |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* | 1.14.0 | Vulnerable | Oracle |
- cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:* Versions 0.23.6 to before 0.23.22 Vulnerable ·P11-kit Project
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* Versions 1.14.0 Vulnerable ·Oracle
Remediation
Red Hat 1 advisory
- RHSA-2021:1609 Released 2021-05-18 · Red Hat rating Moderatep11-kit security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS (v. 8) p11-kit-0.23.22-1.el8, p11-kit-devel-0.23.22-1.el8, p11-kit-server-0.23.22-1.el8 +1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2021:1609 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2020-29363
References
Sources
- CVE-2020-29363 · CVE Program
- CVE-2020-29363 · NVD
- FIRST EPSS
- CVE-2020-29363 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences