MGASA-2026-0231: opensc Mageia
Vulnerability summary
MGASA-2026-0231 is a vulnerability in opensc Mageia with no CVSS score yet.
Advisory lineage
Upstream 2 · Downstream 0Timeline
- 24-06-2026PublishedVulnerability first disclosed.
- 24-06-2026Last modifiedVulnerability information updated.
Description
Updated opensc packages fix security vulnerabilities These packages fix security vulnerabilities: CVE-2026-10275, A flaw has been found in OpenSC up to 0.26.1. This affects the function test_kpgen_certwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module. This manipulation causes buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been published and may be used. Patch name: 814f745b3b6d100295f65f1935edd33d520d33ab. It is recommended to apply a patch to fix this issue. CVE-2026-40528, OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the do_key_value() function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configuration file. During pkcs15-init invocation, a key value entry beginning with '=' followed by more than sizeof(keybuf) characters is copied into keybuf via memcpy without a length check, causing both stack and heap buffer overruns.
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mageia1 product
- opensc< 0.25.0-1.3.mga9
1 vendor · 1 product