CVE catalog
CVE-2026-8258
DEBIAN-CVE-2026-8258
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
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.
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 |
|---|---|---|---|---|
| Debian | squirrel3 | 13 | 3.1-8.2 | vulnerable |
| Debian | squirrel3 | 13 | 3.1-8.2+deb13u1 | vulnerable |
| Debian | squirrel3 | 13 | 3.1-8.3 | vulnerable |
| Debian | squirrel3 | 13 | 3.1-8.4 | vulnerable |
| Debian | squirrel3 | 13 | 3.1-8.5 | vulnerable |
| Debian | squirrel3 | 14 | 3.1-8.2 | vulnerable |
| Debian | squirrel3 | 14 | 3.1-8.3 | vulnerable |
| Debian | squirrel3 | 14 | 3.1-8.4 | vulnerable |
| Debian | squirrel3 | 14 | 3.1-8.5 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [libsquirrel3-0]Affected
Source package: [squirrel3]
Details (2)
3.1-8.2+deb13u1· amd64 · trixieAffected
pypi · squirrel3 · debian · 13
3.1-8.2+deb13u1· arm64 · trixieAffected
pypi · squirrel3 · debian · 13
- [libsquirrel-dev]Affected
Source package: [squirrel3]
Details (2)
3.1-8.2+deb13u1· amd64 · trixieAffected
pypi · squirrel3 · debian · 13
3.1-8.2+deb13u1· arm64 · trixieAffected
pypi · squirrel3 · debian · 13
- [squirrel3]Affected
Details (2)
3.1-8.2+deb13u1· amd64 · trixieAffected
pypi · squirrel3 · debian · 13
3.1-8.2+deb13u1· arm64 · trixieAffected
pypi · squirrel3 · debian · 13
Observed: