CVE-2026-101957 — Junos OS and Junos OS Evolved: A remote BGP peer causes an rpd crash when long-lived graceful restart (LLGR) is used

Description (CNA)

An Improper Initialization vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote BGP peer to cause an rpd crash via an LLGR-stale route update readvertised to a configured non-LLGR peer group.

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-665

References

https://supportportal.juniper.net/JSA112187

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.