vulnerability
Juniper Junos OS: 2026-01 Security Bulletin: Junos OS: SRX Series: Specifically malformed SSL packet causes FPC crash (JSA105996) (CVE-2026-21917)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jan 14, 2026 | Jan 27, 2026 | Jan 27, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 14, 2026
Added
Jan 27, 2026
Modified
Jan 27, 2026
Description
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)
Solution
juniper-junos-os-upgrade-latest
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.