CVE-2026-101969 — Junos OS and Junos OS Evolved: An unauthenticated attacker causes rpd denial of service when IPv6 PIM is enabled

Description (CNA)

An Improper Input Validation vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a denial of service via a malformed PIM Hello message received on an IPv6-enabled PIM interface.

Affected (CNA)

Vendor / product	Versions
Juniper Networks / Junos OS	affected 0 before 23.2R2-S7.7; affected 23.4 before 23.4R2-S8.13; affected 24.2 before 24.2R2-S5.5; affected 24.4 before 24.4R2-S5; affected 25.2 before 25.2R2-S2; affected 25.4 before 25.4R1-S3; affected 26.2 before 26.2R1-S2
Juniper Networks / Junos OS Evolved	affected 0 before 23.2R2-S7.7-EVO; affected 23.4 before 23.4R2-S8.11-EVO; affected 24.2 before 24.2R2-S5.6-EVO; affected 24.4 before 24.4R2-S5-EVO; affected 25.2 before 25.2R2-S2-EVO; affected 25.4 before 25.4R1-S3-EVO; affected 26.2 before 26.2R1-S2-EVO; affected 23.4X100; affected 25.2X100 before 25.2X100-D35-EVO; affected 25.4X300 before 25.4X300-D40-EVO

CWE

CWE-20

References

https://supportportal.juniper.net/JSA112187

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.