CVE-2026-101972
Junos OS and Junos OS Evolved: Malformed OSPF packets causes routing disruption when OSPF is enabled
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
An Integer Overflow or Wraparound vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a denial of service via specific OSPFv2 packets sent on an OSPF-enabled interface.
| CWE | CWE-190 |
| Vendor | juniper networks |
| Product | junos os |
| Published | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Juniper Networks / Junos OS
0 < 23.2R2-S7.7 23.4 < 23.4R2-S8.13 24.2 < 24.2R2-S5.5 24.4 < 24.4R2-S5 25.2 < 25.2R2-S2 25.4 < 25.4R1-S3 26.2 < 26.2R1-S2
Juniper Networks / Junos OS Evolved
0 < 23.2R2-S7.7-EVO 23.4 < 23.4R2-S8.11-EVO 24.2 < 24.2R2-S5.6-EVO 24.4 < 24.4R2-S5-EVO 25.2 < 25.2R2-S2-EVO 25.4 < 25.4R1-S3-EVO 26.2 < 26.2R1-S2-EVO 23.4X100 25.2X100 < 25.2X100-D35-EVO 25.4X300 < 25.4X300-D40-EVO