CVE-2026-101991

medium

Description

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP-LS peer to cause heap data disclosure via a malformed UPDATE sent over a session with the traffic-engineering address family enabled.

References

https://supportportal.juniper.net/JSA112187

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101451

Details

Source: Mitre, NVD

Published: 2026-10-14

Updated: 2026-10-15

Risk Information

CVSS v2

Base Score: 1.8

Vector: CVSS2#AV:A/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.1

Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00189