DEBIAN-CVE-2026-8258
A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
DEBIAN-CVE-2026-8258
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-2026-8258
squirrel3
Source reference: /affected/0/package/name
- Affected versions
- 3.1-8.2
Source reference:
/affected/0/versions3.1-8.2+deb13u1Source reference:
/affected/0/versions3.1-8.3Source reference:
/affected/0/versions3.1-8.4Source reference:
/affected/0/versions3.1-8.5Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
squirrel3
Source reference: /affected/1/package/name
- Affected versions
- 3.1-8.2
Source reference:
/affected/1/versions3.1-8.3Source reference:
/affected/1/versions3.1-8.4Source reference:
/affected/1/versions3.1-8.5Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- 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": "squirrel3",
"purl": "pkg:deb/debian/squirrel3?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"3.1-8.2",
"3.1-8.2+deb13u1",
"3.1-8.3",
"3.1-8.4",
"3.1-8.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8258.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "squirrel3",
"purl": "pkg:deb/debian/squirrel3?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"3.1-8.2",
"3.1-8.3",
"3.1-8.4",
"3.1-8.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8258.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58221 · Revision 1
- Added to Heist Feed
- Publisher date