PT-2022-11684 · Opensc+2 · Opensc+2

Pedro Sampaio · Published 2020-12-01 · Updated 2024-12-28 · CVE-2021-42778

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Opensc versions prior to 0.22.0

Description A heap double free issue was found in the sc pkcs15 free tokeninfo function.

Recommendations For versions prior to 0.22.0, update to version 0.22.0 or later to resolve the issue.

Fix

Double Free

Weakness Enumeration

CWE-672

CWE-415

Related Identifiers

ALT-PU-2021-2480

ALT-PU-2023-1834

ALT-PU-2023-1905

ALT-PU-2023-5128

AZL-9481

BDU:2025-12493

CVE-2021-42778

DLA-4004-1

OESA-2022-1664

Affected Products

Alt Linux

Astra Linux

Opensc

References · 24

• https://github.com/OpenSC/OpenSC/commit/f015746d · Patch
• https://cve.org/CVERecord?id=CVE-2021-42778 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42778 · Security Note
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185 · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=2016083 · Patch
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1020SE47 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4004-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-42778 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-42778 · Vendor Advisory
• https://security.gentoo.org/glsa/202209-03 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1664 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42780 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-42778 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0923SE17 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-42778 · Vendor Advisory