CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflow
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
Madurez del exploit
Prueba de concepto
Existe prueba de concepto pública, pero aún no automatizada.
CVSS 4.8EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Ciclo de vida
11 may 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
n/a · SquirrelPoCs públicas encontradas — 1
cve_referencegithub.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oobno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.