| Name | CVE-2020-26572 |
| Description | The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher. |
| 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, ELA-526-1 |
| Debian Bugs | 972035 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opensc (PTS) | jessie, jessie (lts) | 0.16.0-3+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 0.16.0-3+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 0.19.0-1+deb10u3 | fixed |
| bullseye | 0.21.0-1 | fixed |
| bookworm | 0.23.0-0.3+deb12u1 | fixed |
| sid, trixie | 0.25.1-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967
https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817 (0.21.0-rc1)