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SUSE opensc Low Threat Stack Buffer Overflow Patch 2026-21320-1

suse
Calendar Grey April 27, 2026
Dist Suse Esm H88
Update for opensc addresses four security issues. Low severity vulnerabilities impact SUSE users requiring attention.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for opensc fixes the following issues: * CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses (bsc#1261214). * CVE-2025-66037: crafted input can cause an out-of-bounds read (bsc#1261218). * CVE-2025-66038: improper compact-TLV length validation can lead to crash or unexpected behavior (bsc#1261219). * CVE-2025-66215: crafted smart card or USB device can cause a stack-buffer- overflow write (bsc#1261220). ## 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: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-684=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE low out-of-bounds opensc

References

* bsc#1261214

* bsc#1261218

* bsc#1261219

* bsc#1261220

Cross-

* CVE-2025-49010

* CVE-2025-66037

* CVE-2025-66038

* CVE-2025-66215

CVSS scores:

* CVE-2025-49010 ( SUSE ): 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

* CVE-2025-49010 ( SUSE ): 3.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-49010 ( NVD ): 3.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-49010 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-66037 ( SUSE ): 1.0

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

* CVE-2025-66037 ( SUSE ): 3.9 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

* CVE-2025-66037 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
low
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21320-1
Release Date: 2026-04-22T12:37:56Z
Rating: low

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE low out-of-bounds opensc

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