| Name | CVE-2020-26571 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2832-1 |
| Debian Bugs | 972036 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opensc (PTS) | bullseye | 0.21.0-1 | fixed |
| bullseye (security) | 0.21.0-1+deb11u1 | fixed |
| bookworm | 0.23.0-0.3+deb12u2 | fixed |
| sid, trixie | 0.26.1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20612
https://github.com/OpenSC/OpenSC/commit/ed55fcd2996930bf58b9bb57e9ba7b1f3a753c43 (0.21.0-rc1)