| Name | CVE-2021-42781 |
| Description | Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c 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) | 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 | 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=2016439
https://github.com/OpenSC/OpenSC/commit/17d8980cde7be597afc366b7e311d0d7cadcb1f4 (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/40c50a3a4219308aae90f6efd7b10213794a8d86 (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/05648b0604bf3e498e8d42dff3c6e7c56a5bf749 (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/5d4daf6c92e4668f5458f380f3cacea3e879d91a (0.22.0-rc1)
https://github.com/OpenSC/OpenSC/commit/cae5c71f90cc5b364efe14040923fd5aa3b5dd90 (0.22.0-rc1)