CVE catalog
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
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.19% · Oct 25, 2026
A flaw was found in OpenSC. A local attacker can exploit this vulnerability by supplying a specially crafted profile configuration file to the `pkcs15-init` utility. This can lead to a stack and heap buffer overrun, allowing the attacker to corrupt memory. This memory corruption could potentially result in a denial of service or other unpredictable system behavior. opensc: OpenSC: Memory corruption via crafted profile configuration file The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | opensc | Not reported | 0.27.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | opensc | cpe | Not reported | 0.27.0 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21873-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-40528]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40528.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1755.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]