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ALSA-2021:1600 — Moderate: opensc security, bug fix, and enhancement update

Affected: AlmaLinux:8: opensc

The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures.

Security Fix(es):

* opensc: heap-based buffer overflow in sc_oberthur_read_file (CVE-2020-26570)

* opensc: stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init (CVE-2020-26571)

* opensc: stack-based buffer overflow in tcos_decipher (CVE-2020-26572)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Withdrawn: BELL-CVE-2020-26571 — CVE-2020-26571 does not affect BellSoft software

Withdrawn by the publisher.

EUVD-2026-46144

fkie_cve-2020-26571

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

GHSA-7c8p-jqm5-mj3q

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

gsd-2020-26571

msrc_CVE-2020-26571 — The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15em…

msrc_CVE-2020-26571

OESA-2021-1063 — opensc security update

Affected: openEuler:20.03-LTS: opensc, openEuler:20.03-LTS-SP1: opensc

OpenSC provides a set of libraries and utilities to work with smart cards. Its main focus is on cards that support cryptographic operations, and facilitate their use in security applications such as authentication, mail encryption and digital signatures. OpenSC implements the standard APIs to smart cards, e.g. PKCS#11 API, Windows’ Smart Card Minidriver and macOS Tokend. Security Fix(es): The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.(CVE-2020-26571) The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.(CVE-2020-26572)

openSUSE-SU-2021:0565-1 — Security update for opensc

Security update for opensc

SUSE-SU-2021:0998-1 — Security update for opensc

Security update for opensc

UBUNTU-CVE-2020-26571

Affected: Ubuntu:Pro:16.04:LTS: opensc, Ubuntu:Pro:18.04:LTS: opensc, Ubuntu:Pro:20.04:LTS: opensc

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

WID-SEC-W-2023-2404 — OpenSC: Mehrere Schwachstellen ermöglichen Denial of Service

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSC ausnutzen, um einen Denial of Service Zustand herbeizuführen oder um beliebigen Programmcode auszuführen.