Vulnerability Monitor

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CVE-2021-42782

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

Published

2022-04-18T17:15:16.380

Last Modified

2025-11-03T22:15:52.750

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-119
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opensc_project	opensc	< 0.22.0	Yes
Operating System	fedoraproject	fedora	33	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=2016448 Issue Tracking, Mailing List, Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/1252aca9 Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/456ac566 Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/7114fb71 Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/78cdab94 Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/ae1cf0be Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html ([email protected])
https://security.gentoo.org/glsa/202209-03 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2016448 Issue Tracking, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/1252aca9 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/456ac566 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/7114fb71 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/78cdab94 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/ae1cf0be Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202209-03 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)