CVE-2026-21917
Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
15/01/2026
Última modificación:
15/01/2026
Descripción
*** Pendiente de traducción *** An Improper Validation of Syntactic Correctness of Input vulnerability in the Web-Filtering module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).<br />
<br />
If an SRX device configured for UTM Web-Filtering receives a specifically malformed SSL packet, this will cause an FPC crash and restart.<br />
This issue affects Junos OS on SRX Series:<br />
<br />
<br />
<br />
* 23.2 versions from 23.2R2-S2 before 23.2R2-S5, <br />
* 23.4 versions from 23.4R2-S1 before 23.4R2-S5,<br />
* 24.2 versions before 24.2R2-S2,<br />
* 24.4 versions before 24.4R1-S3, 24.4R2.<br />
<br />
<br />
Earlier versions of Junos are also affected, but no fix is available.
Impacto
Puntuación base 4.0
8.70
Gravedad 4.0
ALTA
Puntuación base 3.x
7.50
Gravedad 3.x
ALTA