Description
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.
References (4)
Core 4
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/p11-glue/p11-kit/releases
Third Party Advisory x_refsource_misc
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwc
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4822
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html
Scores
CVSS v3
5.3
EPSS
0.0007
EPSS Percentile
22.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (1)
p11-kit_project/p11-kit
0.23.6 - 0.23.22
Published
Dec 16, 2020
Tracked Since
Feb 18, 2026