| Name | CVE-2021-42782 |
| Description | Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library. |
| 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-3463-1 |
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 | vulnerable |
| stretch (security), stretch (lts), stretch | 0.16.0-3+deb9u2 | vulnerable |
| buster (security), buster, buster (lts) | 0.19.0-1+deb10u3 | fixed |
| bullseye | 0.21.0-1 | vulnerable |
| 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 | jessie | (unfixed) | end-of-life | | |
| opensc | source | buster | 0.19.0-1+deb10u2 | | DLA-3463-1 | |
| opensc | source | (unstable) | 0.22.0-1 | | | |
Notes
[bullseye] - opensc <no-dsa> (Minor issue)
[stretch] - opensc <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2016448
https://github.com/OpenSC/OpenSC/commit/78cdab949f098ad7e593d853229fccf57d749d0c (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/1252aca9f10771ef5ba8405e73cf2da50827958f (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/ae1cf0be90396fb6c0be95829bf0d3eecbd2fd1c (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/7114fb71b54ddfe06ce5dfdab013f4c38f129d14 (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/456ac566938a1da774db06126a2fa6c0cba514b3 (0.22.0)