| Name | CVE-2019-20792 |
| Description | OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 |
| 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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| opensc | source | stretch | (not affected) | | | |
| opensc | source | buster | 0.19.0-1+deb10u1 | | | |
| opensc | source | (unstable) | 0.20.0-1 | low | | |
Notes
[stretch] - opensc <not-affected> (Coolkey driver added in 0.17.0)
[jessie] - opensc <postponed> (Minor issue but can be worth fixing later)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4