5.3

CVE-2020-29362: p11-kit_project p11-kit Out-of-bounds Read

Modified
AliasesALPINE-CVE-2020-29362SUSE-SU-2022:2405-1SUSE-SU-2022:2871-1
Published 16-12-2020Last modified 14-10-2026

Vulnerability summary

CVE-2020-29362 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in p11-kit_project p11-kit. EPSS estimates a 2.27% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
2.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 1
DLA-2513-1DSA-4822-1MGASA-2021-0041RHSA-2021:1609USN-4677-1

Timeline

  1. 16-12-2020
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.27%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.27% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse7 products
  • p11-kit&distro=SUSE Linux Enterprise Micro 5.1< 0.23.2-150000.4.16.1
  • p11-kit&distro=SUSE Linux Enterprise Micro 5.2< 0.23.2-150000.4.16.1
  • p11-kit&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 0.23.2-150000.4.16.1
  • p11-kit&distro=SUSE Linux Enterprise Module for Package Hub 15 SP3< 0.23.2-150000.4.16.1
  • p11-kit&distro=SUSE Linux Enterprise Server 12 SP5< 0.23.2-8.10.1
Opensuse2 products
  • p11-kit&distro=openSUSE Leap 15.3< 0.23.2-150000.4.16.1
  • p11-kit&distro=openSUSE Leap Micro 5.2< 0.23.2-150000.4.16.1
Alpine1 product
  • p11-kit≥ 0.23.6, < 0.23.16.1-r1 | ≥ 0.23.6, < 0.23.18.1-r1 | ≥ 0.23.6, < 0.23.22-r0
Debian1 product
  • p11-kit< 0.23.22-1
P11-kit_project1 product
Ubuntu1 product
  • p11-kit< 0.23.2-5~ubuntu16.04.2 | < 0.23.9-2ubuntu0.1 | < 0.23.20-1ubuntu0.1

6 vendors · 13 products

References

17 links
Show all 17 references