CVE-2020-26571

MEDIUM

OpenSC <0.21.0-rc1 - Buffer Overflow

Title source: llm
STIX 2.1

Description

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20612
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/11/24/4
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html

Scores

CVSS v3 5.5
EPSS 0.0040
EPSS Percentile 32.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (3)
debian/debian_linux 9.0
fedoraproject/fedora 33
opensc_project/opensc < 0.20.0
Published Oct 06, 2020
Tracked Since Feb 18, 2026