SUSE opensc Moderate Buffer Overflow Vulnerability 2026-4123

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## This update for opensc fixes the following issue: * CVE-2026-40510: stack buffer overflow in `piv_process_history()` allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device (bsc#1266964). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-4123=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4123=1 ## Package List: * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64) * opensc-0.22.0-150600.11.14.1 * opensc-debuginfo-0.22.0-150600.11.14.1 * opensc-debugsource-0.22.0-150600.11.14.1

## This update for opensc fixes the following issue: * CVE-2026-40510: stack buffer overflow in `piv_process_history()` allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device (bsc#1266964). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-4123=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4123=1 ## Package List: * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64) * opensc-0.22.0-150600.11.14.1 * opensc-debuginfo-0.22.0-150600.11.14.1 * opensc-debugsource-0.22.0-150600.11.14.1

* CVE-2026-40510 ( SUSE ): 4.4

CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-40510 ( SUSE ): 5.7 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

* CVE-2026-40510 ( NVD ): 1.0

CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-40510 ( NVD ): 3.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

* CVE-2026-40510 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* Basesystem Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

Announcement ID: SUSE-SU-2026:4123-1 Release Date: 2026-09-10T11:47:08Z Rating: moderate

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