🛡️ CVE-2025-66037 on BellSoft — opensc

Distribution advisory

This page covers CVE-2025-66037 as tracked by BellSoft, for the package opensc. The fix is available in version 0.27.1-r0; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with physical access to the device, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

BELL-CVE-2025-66037 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

BELL-CVE-2025-66037 is recorded against 1 package.

• opensc (from 0.22.0-r3 up to 0.27.1-r0)

Timeline and source

Published on 31 March 2026 and last revised on 7 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

docs.bell-sw.com (Advisory)

CVE-2025-66037 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References