Juniper Junos OS Evolved l2cpd DoS Vulnerability
Security Advisory
CVE-2026-21911
Medium
Juniper Networks
Affected:
- Junos OS Evolved all versions prior to 21.4R3-S7-EVO
- Junos OS Evolved all versions from 22.2 to prior to 22.2R3-S4-EVO
- Junos OS Evolved all versions from 22.3 to prior to 22.3R3-S3-EVO
- Junos OS Evolved all versions from 22.4 to prior to 22.4R3-S2-EVO
- Junos OS Evolved all versions from 23.2 to prior to 23.2R2-S1-EVO
Fixed in:
- 21.4R3-S7-EVO
- 22.2R3-S4-EVO
- 22.3R3-S3-EVO
- 22.4R3-S2-EVO
- 23.2R2-S1-EVO
Referenced CVEs:
CVE-2026-21911 · 6.5
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