UBUNTU-CVE-2026-10275 (CVE-2026-10275)
Vulnerability from osv_ubuntu – Published: 2026-06-01 17:16 – Updated: 2026-06-03 11:20 – Source website
VLAI
Details
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.
Severity
5.0 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.15.0-1ubuntu1+esm3"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.15.0-1ubuntu1+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.15.0-1ubuntu1+esm3?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.15.0-1ubuntu1",
"0.15.0-1ubuntu1+esm1",
"0.15.0-1ubuntu1+esm2",
"0.15.0-1ubuntu1+esm3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.17.0-3ubuntu0.1~esm3"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.17.0-3ubuntu0.1~esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.17.0-3ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.17.0-1",
"0.17.0-2",
"0.17.0-2build1",
"0.17.0-3",
"0.17.0-3ubuntu0.1~esm1",
"0.17.0-3ubuntu0.1~esm2",
"0.17.0-3ubuntu0.1~esm3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.20.0-3ubuntu0.1~esm4"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.20.0-3ubuntu0.1~esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.20.0-3ubuntu0.1~esm4?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.19.0-2",
"0.20.0-1",
"0.20.0-2",
"0.20.0-3",
"0.20.0-3ubuntu0.1~esm1",
"0.20.0-3ubuntu0.1~esm2",
"0.20.0-3ubuntu0.1~esm3",
"0.20.0-3ubuntu0.1~esm4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.22.0-1ubuntu2.1+esm1"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.22.0-1ubuntu2.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.22.0-1ubuntu2.1+esm1?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.21.0-1ubuntu1",
"0.22.0-1ubuntu2",
"0.22.0-1ubuntu2+esm1",
"0.22.0-1ubuntu2.1",
"0.22.0-1ubuntu2.1+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.25.0~rc1-1ubuntu0.2+esm1"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.25.0~rc1-1ubuntu0.2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.25.0~rc1-1ubuntu0.2+esm1?arch=source\u0026distro=esm-apps/noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.23.0-1ubuntu4",
"0.24.0~rc1-1",
"0.25.0~rc1-1",
"0.25.0~rc1-1build1",
"0.25.0~rc1-1build2",
"0.25.0~rc1-1ubuntu0.1~esm1",
"0.25.0~rc1-1ubuntu0.1",
"0.25.0~rc1-1ubuntu0.2",
"0.25.0~rc1-1ubuntu0.2+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.26.1-3"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.26.1-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.26.1-3?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.26.1-1",
"0.26.1-2",
"0.26.1-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensc",
"binary_version": "0.27.0~rc1-1"
},
{
"binary_name": "opensc-pkcs11",
"binary_version": "0.27.0~rc1-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "opensc",
"purl": "pkg:deb/ubuntu/opensc@0.27.0~rc1-1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.26.1-3",
"0.26.1-3ubuntu1",
"0.27.0~rc1-1"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2026-10275",
"modified": "2026-06-03T11:20:11Z",
"published": "2026-06-01T17:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-10275"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-10275"
},
{
"type": "REPORT",
"url": "https://github.com/OpenSC/OpenSC/issues/3682"
},
{
"type": "REPORT",
"url": "https://github.com/OpenSC/OpenSC/pull/3684"
},
{
"type": "REPORT",
"url": "https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab"
},
{
"type": "REPORT",
"url": "https://github.com/OpenSC/OpenSC/"
},
{
"type": "REPORT",
"url": "https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg"
},
{
"type": "REPORT",
"url": "https://vuldb.com/cve/CVE-2026-10275"
},
{
"type": "REPORT",
"url": "https://vuldb.com/submit/825403"
},
{
"type": "REPORT",
"url": "https://vuldb.com/vuln/367568"
},
{
"type": "REPORT",
"url": "https://vuldb.com/vuln/367568/cti"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "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",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-10275"
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…