PT-2026-29080 · Opensc · Opensc

Published 2025-01-01 · Updated 2026-06-15 · CVE-2025-49010

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenSC versions prior to 0.27.0

Description OpenSC is a set of open source smart card tools and middleware. A stack-based buffer overflow can occur in the GET RESPONSE function when a user or administrator utilizes a token, allowing an attacker with physical access to the computer to potentially cause a write to the stack. The attack requires a crafted USB device or smart card presenting specially crafted responses to the APDUs.

Recommendations Update to version 0.27.0 or later.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2025-49010

GHSA-Q5CF-5WMX-9WH4

OESA-2026-2545

OESA-2026-2546

OPENSUSE-SU-2026:10475-1

SUSE-SU-2026:1477-1

SUSE-SU-2026:21283-1

SUSE-SU-2026:21320-1

SUSE-SU-2026:22114-1

SUSE-SU-2026:22126-1

Affected Products

Opensc

References · 35

• 🔥 https://github.com/OpenSC/OpenSC/wiki/CVE-2025-49010 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49010.json · Exploit
• https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5cf-5wmx-9wh4 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-49010 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2546 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-49010 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66037 · Security Note
• https://osv.dev/vulnerability/CVE-2025-49010 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1477-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:22126-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-49010 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-49010 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-49010 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10475-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:22114-1 · Vendor Advisory