Patchfirst
Patchfirst
CVE-2026-101950 Critical · 9.8 EPSS 0.5%

A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an…

Juniper Networks · Junos OS

Summary

A heap-based buffer overflow in the SVR (Secure Vector Routing) component of Juniper Networks Junos OS on SRX Series devices. An unauthenticated remote attacker can send malformed IPv4 packets to an interface configured for Secure Vector Routing to cause a denial of service and potentially compromise confidentiality and integrity, with no authentication or user interaction required.

Official description · NVD

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.

Breakdown
17.1 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 14 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 8 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag

Other 1

supportportal.juniper.net/JSA112186
↑ ↓ chooseEnter openEsc close