Home/CVE/Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash p
CVE

CVE-2021-42782

Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash p

Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.

MEDIUM · CVSS 5.3 EPSS 0.00119
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
opensc project opensc< 0.22.0
fedoraproject fedoraall 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

9
usnUSN-7346-3
usnUSN-7346-1
suse-csafopenSUSE-SU-2024:11613-1
suse-csafSUSE-SU-2023:4065-1
msrcCVE-2021-42782
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2016448Issue TrackingMailing ListPatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/1252aca9PatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/456ac566PatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/7114fb71PatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/78cdab94PatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/ae1cf0bePatchThird Party Advisory
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