CVE-2020-29361

Name: CVE-2020-29361
Creator: NVD / NIST
Published: 2020-12-16T14:15:12.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.35%

Last modified Jun 17, 2026

CVE-2020-29361 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc.. EPSS estimates a 3.35% chance of exploitation in the next 30 days.

Description

An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.35%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
P11-Kit Project	P11-Kit	>= 0.21.1, <= 0.23.21
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-q4r3-hm6m-mvc2Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory
https://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-q4r3-hm6m-mvc2Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory

Timeline

Published: Dec 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29361?

How severe is CVE-2020-29361?

CVE-2020-29361 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29361?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29361?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST