CVE-2026-10275
Publication date 1 June 2026
Last updated 6 June 2026
Ubuntu priority
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| opensc | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
CVSS version:
Base score
1.3 · Low
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Base score
5.0 · Medium
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-10275
- https://github.com/OpenSC/OpenSC/issues/3682
- https://github.com/OpenSC/OpenSC/pull/3684
- https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab
- https://github.com/OpenSC/OpenSC/
- https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg
- https://vuldb.com/cve/CVE-2026-10275
- https://vuldb.com/submit/825403
- https://vuldb.com/vuln/367568
- https://vuldb.com/vuln/367568/cti