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SUSE Opensc Low Addressing Stack Buffer Overflow and More 21283-1

suse
Calendar Grey April 27, 2026
Dist Suse Esm H88
An essential update for opensc addresses multiple security concerns including low risk vulnerabilities.
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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-501=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)

Topics%20covered

Topics Covered

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

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-2026:21283-1
Release Date: 2026-04-22T11:13:04Z
Rating: low

Topics%20covered

Topics Covered

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

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