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CVE-2026-101961

Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when an ECMP qualifier is used in an import policy

Juniper Networks Junos OSNetwork & edge
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.37%Chance of exploitation activity in the next 30 days, higher than 30% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in23.4R2-S8.13Also 24.2R2-S5.5, 24.4R2-S5 and 11 moreCVE List
Published14 Oct 2026Updated 14 Oct 2026CVE List

What fixes it

Show all 14 fixed versions

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP import policy.

Text from CVE List

Affected versions 15

  • Junos OSaffected: 23.4 before 23.4R2-S8.13CVE List
  • Junos OSaffected: 24.2 before 24.2R2-S5.5CVE List
  • Junos OSaffected: 24.4 before 24.4R2-S5CVE List
  • Junos OSaffected: 25.2 before 25.2R2-S2CVE List
  • Junos OSaffected: 25.4 before 25.4R1-S3CVE List
  • Junos OSaffected: 26.2 before 26.2R1-S2CVE List
  • Junos OS Evolvedaffected: 23.4 before 23.4R2-S8.11-EVOCVE List
  • Junos OS Evolvedaffected: 24.2 before 24.2R2-S5.6-EVOCVE List
  • Junos OS Evolvedaffected: 24.4 before 24.4R2-S5-EVOCVE List
  • Junos OS Evolvedaffected: 25.2 before 25.2R2-S2-EVOCVE List
  • Junos OS Evolvedaffected: 25.4 before 25.4R1-S3-EVOCVE List
  • Junos OS Evolvedaffected: 26.2 before 26.2R1-S2-EVOCVE List
  • Junos OS Evolvedaffected: 23.4X100CVE List
  • Junos OS Evolvedaffected: 25.2X100 before 25.2X100-D35-EVOCVE List
  • Junos OS Evolvedaffected: 25.4X300 before 25.4X300-D40-EVOCVE List

References 1