CVE-2026-101950CWE-122

CVE-2026-101950

Critical · published October 14, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
39.2
In the wild
Unconfirmed
What it is

A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L
EPSS
0.00468 · 39.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112186 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:28Z
    Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Secure Vector Routing is enabled
    cvelistv5
  • 14 OCT 16:28Z
    Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Secure Vector Routing is enabled
    cvelistv5