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Vulnerability Intelligence

CVE-2021-42778 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-42778

CVE-2021-42778

MEDIUM5.3

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

Published Apr 18, 2022

Modified 4 months ago

Details

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

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185

https://bugzilla.redhat.com/show_bug.cgi?id=2016083

https://github.com/OpenSC/OpenSC/commit/f015746d

https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html

https://security.gentoo.org/glsa/202209-03

https://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