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CVE-2021-42779

Date: April 17, 2022

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

Severity Score

5.3

Related Resources (10)

Url: https://security-tracker.debian.org/tracker/CVE-2021-42779

Url: https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html

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

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2016086

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-42779

Url: https://access.redhat.com/security/cve/CVE-2021-42779

Url: https://github.com/OpenSC/OpenSC/commit/1db88374

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-42779

Url: https://www.mend.io/vulnerability-database/CVE-2021-42779

Severity Score

5.3

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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