CVE-2026-101994 (GCVE-0-2026-101994)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:30 – Updated: 2026-10-16 15:31
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: Malformed MC-LAG ICCP message causes l2ald heap disclosure or crash
Summary
An Improper Handling of Length Parameter Inconsistency vulnerability in the
l2ald
daemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker who can control or impersonate a configured MC-LAG ICCP peer to disclose process heap memory or cause a denial of service via a malformed ICCP message.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:21 UTC
CWE
- CWE-130 - Improper Handling of Length Parameter Inconsistency
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) |
guessed | |
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom) Affected: 24.2 , < 24.2R2-S5.6-EVO (custom) Affected: 24.4 , < 24.4R2-S5-EVO (custom) Affected: 25.2 , < 25.2R2-S2-EVO (custom) Affected: 25.4 , < 25.4R1-S3-EVO (custom) Affected: 26.2 , < 26.2R1-S2-EVO (custom) Affected: 23.4X100 (custom) Affected: 25.2X100 , < 25.2X100-D35-EVO (custom) Affected: 25.4X300 , < 25.4X300-D40-EVO (custom) |
guessed |
Date Public
2026-10-14 16:00
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