OPENSUSE-SU-2026:21873-1: opensc security update

OPENSUSE-SU-2026:21873-1, released September 17, 2026, fixes 2 CVEs in opensc (version 0.26.1-160000.5.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

5.0

Base score, 0 to 10

Highest EPSS

0.0030

22nd percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 1

Fixed package versions

Product	Release	Fixed in
opensc	opensuse-leap 16.0	0.26.1-160000.5.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-40528	opensc: This update for opensc fixes the following issues - CVE-2025-49010: stack-buffer-overflow via crafted smart card or...	n/a	0.0019	None reported
Routine	CVE-2026-10275	OpenSC pkcs11-tool Key Generation pkcs11-tool.c test_kpgen_certwrite buffer overflow	5.0	0.0030	None reported

Also fixes CVE-2026-40528

SUSE-SU-2026:2697-1
opensc on sles 15.6, sles 15.7
ALAS2023-2026-1988
opensc, opensc-debuginfo, opensc-debugsource on amzn 2023

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21873-1

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