Skip to main content

Early Access — Mondoo Vulnerability Intelligence is currently in preview.

Mondoo Vulnerability Intelligence

Curated by Mondoo Research, enhanced with AI

Resources

Search Vulnerabilities
Trending CVEs
Browse Ecosystems
Terminology
Blog

Open Source

cnquery
cnspec

Star us on GitHub!

Company

Mondoo Platform
About
Contact

© 2026 Mondoo, Inc.

Privacy Policy Terms of Service Imprint

Vulnerability Intelligence

CVE-2021-42778 | Mondoo Vulnerability Intelligence

CVE-2021-42778

MEDIUM5.3

A heap double free issue was found in Opensc before version 0

Published Apr 18, 2022

Modified 2 months ago

No fix available

Details

A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo.

References

WEBhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2016083 WEBhttps://github.com/OpenSC/OpenSC/commit/f015746d WEBhttps://lists.debian.org/debian-lts-announce/2024/12/msg00026.html ADVISORYhttps://security.gentoo.org/glsa/202209-03 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-42778

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedApr 18, 2022

ModifiedNov 3, 2025