CVE catalog
CVE-2020-26570
opensc: CVE-2020-26570
- Severity
- Medium · CVSS 6.4
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 25, 2026
The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | opensc | sid | 0.27.1-3 | fixed |
| Debian | opensc | forky | 0.27.1-3 | fixed |
| Debian | opensc | trixie | 0.26.1-2 | fixed |
| Debian | opensc | bookworm | 0.23.0-0.3+deb12u2 | fixed |
| Ubuntu | opensc | pro | 0.19.0-2 | vulnerable |
| Ubuntu | opensc | pro | 0.20.0-1 | vulnerable |
| Ubuntu | opensc | pro | 0.20.0-2 | vulnerable |
| Ubuntu | opensc | pro | 0.20.0-3 | vulnerable |
| Ubuntu | opensc | pro | 0.20.0-3ubuntu0.1~esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | opensc | source | sid | 0.21.0-1 | not yet assigned | Not reported | [972037] |
| Debian | opensc | source | forky | 0.21.0-1 | not yet assigned | Not reported | [972037] |
| Debian | opensc | source | trixie | 0.21.0-1 | not yet assigned | Not reported | [972037] |
| Debian | opensc | source | bookworm | 0.21.0-1 | not yet assigned | Not reported | [972037] |
| Ubuntu | opensc | deb | pro | 0.20.0-3ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2020-26570 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [opensc]Fixed
Details (2)
0.23.0-0.3+deb12u2· amd64 · bookwormFixed · Fixed:
0.21.0-1dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
0.23.0-0.3+deb12u2· arm64 · bookwormFixed · Fixed:
0.21.0-1dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
- [opensc-pkcs11]Fixed
Source package: [opensc]
Details (2)
0.23.0-0.3+deb12u2· amd64 · bookwormFixed · Fixed:
0.21.0-1dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
0.23.0-0.3+deb12u2· arm64 · bookwormFixed · Fixed:
0.21.0-1dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
[Debian 13 (Trixie)]
- [opensc]Fixed
Details (2)
0.26.1-2· amd64 · trixieFixed · Fixed:
0.21.0-1dsa · opensc · debian · 13
0.26.1-2· arm64 · trixieFixed · Fixed:
0.21.0-1dsa · opensc · debian · 13
- [opensc-pkcs11]Fixed
Source package: [opensc]
Details (2)
0.26.1-2· amd64 · trixieFixed · Fixed:
0.21.0-1dsa · opensc · debian · 13
0.26.1-2· arm64 · trixieFixed · Fixed:
0.21.0-1dsa · opensc · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_1600.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-26570]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-26570]
- [https://security-tracker.debian.org/tracker/CVE-2020-26570]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-26570.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2023-2404.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]