DEBIAN-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.
DEBIAN-CVE-2026-10275
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-10275
opensc
Source reference: /affected/0/package/name
- Affected versions
- 0.23.0-0.3
Source reference:
/affected/0/versions0.23.0-0.3+deb12u1Source reference:
/affected/0/versions0.23.0-0.3+deb12u2Source reference:
/affected/0/versions0.23.0-1Source reference:
/affected/0/versions0.23.0-2Source reference:
/affected/0/versions0.24.0~rc1-1Source reference:
/affected/0/versions0.25.0~rc1-1Source reference:
/affected/0/versions0.25.1-1Source reference:
/affected/0/versions0.25.1-2Source reference:
/affected/0/versions0.25.1-2.1Source reference:
/affected/0/versions0.26.0-1Source reference:
/affected/0/versions0.26.1-1Source reference:
/affected/0/versions0.26.1-2Source reference:
/affected/0/versions0.26.1-3Source reference:
/affected/0/versions0.27.0~rc1-1Source reference:
/affected/0/versions0.27.0~rc2-1Source reference:
/affected/0/versions0.27.1-1Source reference:
/affected/0/versions0.27.1-2Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opensc
Source reference: /affected/1/package/name
- Affected versions
- 0.26.1-2
Source reference:
/affected/1/versions0.26.1-3Source reference:
/affected/1/versions0.27.0~rc1-1Source reference:
/affected/1/versions0.27.0~rc2-1Source reference:
/affected/1/versions0.27.1-1Source reference:
/affected/1/versions0.27.1-2Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opensc
Source reference: /affected/2/package/name
- Affected versions
- 0.26.1-2
Source reference:
/affected/2/versions0.26.1-3Source reference:
/affected/2/versions0.27.0~rc1-1Source reference:
/affected/2/versions0.27.0~rc2-1Source reference:
/affected/2/versions0.27.1-1Source reference:
/affected/2/versions - Fixed versions
- 0.27.1-2
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.23.0-0.3",
"0.23.0-0.3+deb12u1",
"0.23.0-0.3+deb12u2",
"0.23.0-1",
"0.23.0-2",
"0.24.0~rc1-1",
"0.25.0~rc1-1",
"0.25.1-1",
"0.25.1-2",
"0.25.1-2.1",
"0.26.0-1",
"0.26.1-1",
"0.26.1-2",
"0.26.1-3",
"0.27.0~rc1-1",
"0.27.0~rc2-1",
"0.27.1-1",
"0.27.1-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10275.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.26.1-2",
"0.26.1-3",
"0.27.0~rc1-1",
"0.27.0~rc2-1",
"0.27.1-1",
"0.27.1-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10275.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.27.1-2"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.26.1-2",
"0.26.1-3",
"0.27.0~rc1-1",
"0.27.0~rc2-1",
"0.27.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10275.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #55411 · Revision 1
- Added to Heist Feed
- Publisher date