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

CVE-2021-42778

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

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

MEDIUM · CVSS 5.3 EPSS 0.0013
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
CWE-672Operation on a Resource after Expiration or Release
▤

Affected Products & Versions

3
opensc project opensc< 0.22.0
fedoraproject fedoraall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Apr 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

1
msrcCVE-2021-42778
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185Issue TrackingMailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016083Issue TrackingPatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/f015746dPatchThird Party Advisory
https://security.gentoo.org/glsa/202209-03Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
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