Medium severity5.5NVD Advisory· Published Oct 6, 2020· Updated Jun 17, 2026
CVE-2020-26572
CVE-2020-26572
Description
The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12- TCOS/smart card software driverdescription
- osv-coords10 versionspkg:rpm/almalinux/openscpkg:rpm/opensuse/opensc&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/opensc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015
< 0.20.0-4.el8+ 9 more
- (no CPE)range: < 0.20.0-4.el8
- (no CPE)range: < 0.19.0-lp152.3.3.1
- (no CPE)range: < 0.21.0-2.2
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.19.0-3.7.1
- (no CPE)range: < 0.13.0-3.11.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.13.0-3.11.1
- (no CPE)range: < 0.18.0-150000.3.23.1
Patches
Vulnerability mechanics
References
5- github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817nvdPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2020/11/24/4nvdMailing ListThird Party Advisory
- bugs.chromium.org/p/oss-fuzz/issues/detailnvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/11/msg00027.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/nvd
News mentions
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