OpenSC < 0.27.0 Buffer Overrun in do_key_value() via profile.c
A buffer overrun vulnerability exists in OpenSC versions prior to 0.27.0 in the do_key_value() function via profile.c. This vulnerability is classified as CWE-121 (stack-based buffer overflow). No CVSS score or detailed impact information is provided. No patch or remediation details are currently available.
AI Analysis
Technical Summary
CVE-2026-40528 describes a buffer overrun vulnerability in OpenSC before version 0.27.0, specifically in the do_key_value() function within profile.c. The vulnerability is a stack-based buffer overflow (CWE-121). The advisory is published by the Microsoft Security Response Center, but no patch or exploit information is provided. The affected product is OpenSC, and no cloud service is involved.
Potential Impact
The vulnerability could allow memory corruption due to a buffer overrun in OpenSC versions prior to 0.27.0. No specific impact details such as code execution or denial of service are provided. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
OpenSC < 0.27.0 Buffer Overrun in do_key_value() via profile.c
Description
A buffer overrun vulnerability exists in OpenSC versions prior to 0.27.0 in the do_key_value() function via profile.c. This vulnerability is classified as CWE-121 (stack-based buffer overflow). No CVSS score or detailed impact information is provided. No patch or remediation details are currently available.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40528 describes a buffer overrun vulnerability in OpenSC before version 0.27.0, specifically in the do_key_value() function within profile.c. The vulnerability is a stack-based buffer overflow (CWE-121). The advisory is published by the Microsoft Security Response Center, but no patch or exploit information is provided. The affected product is OpenSC, and no cloud service is involved.
Potential Impact
The vulnerability could allow memory corruption due to a buffer overrun in OpenSC versions prior to 0.27.0. No specific impact details such as code execution or denial of service are provided. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-40528
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1ca15be29bf47b505e2151
Added to database: 05/31/2026, 21:00:11 UTC
Last enriched: 06/09/2026, 11:19:00 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 55
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