CVE-2021-34193

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34193
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 Issue Tracking Mailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 Issue Tracking Mailing List
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
Configurations

Configuration 1 (hide)

cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
History

03 Nov 2025, 22:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html -

21 Nov 2024, 06:10

Type Values Removed Values Added
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 - Issue Tracking, Mailing List
References () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 - Issue Tracking, Mailing List () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 - Issue Tracking, Mailing List

28 Aug 2023, 17:04

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-787
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448 - Issue Tracking, Mailing List
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 - Issue Tracking, Mailing List
CPE cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
First Time Opensc Project
Opensc Project opensc

22 Aug 2023, 19:16

Type Values Removed Values Added
New CVE
Information

Published : 2023-08-22 19:16

Updated : 2025-11-03 22:15

NVD link : CVE-2021-34193

Mitre link : CVE-2021-34193

CVE.ORG link : CVE-2021-34193

JSON object : View

Products Affected

opensc_project

  • opensc
CWE
CWE-787

Out-of-bounds Write