What’s Vulnerable › Vulnerabilities
CVE-2020-26570
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-06 · updated 2026-06-17
- Weakness: CWE-787
Description
The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.
Affected products
- Debian Linux: 9.0
- Fedoraproject Fedora: 33
- OpenSC: through 0.20.0
References
- http://www.openwall.com/lists/oss-security/2020/11/24/4
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316
- https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/
- http://www.openwall.com/lists/oss-security/2020/11/24/4
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316
- https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/
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