Description
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | opensc | 0.22.0-1 | — |
| Debian 13 | opensc | 0.22.0-1 | — |
| Debian 12 | opensc | 0.22.0-1 | — |
| Debian 11 | opensc | 0.21.0-1+deb11u1 | DLA-4004-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | opensc | 0.23.0-1 | — |
Advisories 2
- DLA-4004-1 opensc - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2023-2199 OpenSC: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Dec 29, 2024
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448