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ALSA-2024:0966 — Moderate: opensc security update

Affected: AlmaLinux:9: 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: Side-channel leaks while stripping encryption PKCS#1 padding (CVE-2023-5992)

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.

bdu:2025-07729

BELL-CVE-2023-5992

Affected: Alpaquita:23: opensc, Alpaquita:stream: opensc

EUVD-2026-260277

fkie_cve-2023-5992

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

GHSA-554m-v42f-hcq9

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

gsd-2023-5992

msrc_CVE-2023-5992 — Opensc: side-channel leaks while stripping encryption pkcs#1 padding

msrc_CVE-2023-5992

openSUSE-SU-2024:13765-1 — opensc-0.25.0-1.1 on GA media

opensc-0.25.0-1.1 on GA media

SUSE-SU-2024:1402-1 — Security update for opensc

Security update for opensc

UBUNTU-CVE-2023-5992

Affected: Ubuntu:Pro:22.04:LTS: opensc

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

WID-SEC-W-2024-0251 — OpenSC: Schwachstelle ermöglicht Offenlegung von Informationen

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSC ausnutzen, um Informationen offenzulegen.