| Name | CVE-2021-42778 |
| Description | A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo. |
| 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-4004-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opensc (PTS) | bullseye | 0.21.0-1 | vulnerable |
| bullseye (security) | 0.21.0-1+deb11u1 | fixed |
| bookworm | 0.23.0-0.3+deb12u2 | fixed |
| sid, trixie | 0.26.1-2 | 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 | (not affected) | | | |
| opensc | source | bullseye | 0.21.0-1+deb11u1 | | DLA-4004-1 | |
| opensc | source | (unstable) | 0.22.0-1 | | | |
Notes
[buster] - opensc <not-affected> (Vulnerable code introduced later)
[stretch] - opensc <not-affected> (Vulnerable code introduced later)
https://github.com/OpenSC/OpenSC/commit/f015746d22d249642c19674298a18ad824db0ed7 (0.22.0-rc1)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185
https://bugzilla.redhat.com/show_bug.cgi?id=2016083