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CVE-2026-21903

🗓️ 15 Jan 2026 21:16:05Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 3 Views

Low-privilege authenticated attacker exploits Junos pfe stack overflow to cause DoS and FPC crash during telemetry subscription.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21903
15 Jan 202620:18
attackerkb
CNNVD
Juniper Networks Junos OS security vulnerabilities
15 Jan 202600:00
cnnvd
CVE
CVE-2026-21903
15 Jan 202620:18
cve
Cvelist
CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash
15 Jan 202620:18
cvelist
EUVD
EUVD-2026-2692
15 Jan 202620:18
euvd
NCSC
Vulnerabilities fixed in Juniper Networks JunOS
16 Jan 202610:07
ncsc
OSV
CVE-2026-21903
15 Jan 202621:16
osv
Positive Technologies
PT-2026-3118
15 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-21903
16 Jan 202621:33
redhatcve
Vulnrichment
CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash
15 Jan 202620:18
vulnrichment
Rows per page
NVD
Node
juniperjunosRange<22.4
OR
juniperjunosMatch22.4-
OR
juniperjunosMatch22.4r1
OR
juniperjunosMatch22.4r1-s1
OR
juniperjunosMatch22.4r1-s2
OR
juniperjunosMatch22.4r2
OR
juniperjunosMatch22.4r2-s1
OR
juniperjunosMatch22.4r2-s2
OR
juniperjunosMatch22.4r3
OR
juniperjunosMatch22.4r3-s1
OR
juniperjunosMatch22.4r3-s2
OR
juniperjunosMatch22.4r3-s3
OR
juniperjunosMatch22.4r3-s4
OR
juniperjunosMatch22.4r3-s5
OR
juniperjunosMatch22.4r3-s6
OR
juniperjunosMatch23.2-
OR
juniperjunosMatch23.2r1
OR
juniperjunosMatch23.2r1-s1
OR
juniperjunosMatch23.2r1-s2
OR
juniperjunosMatch23.2r2
OR
juniperjunosMatch23.2r2-s1
OR
juniperjunosMatch23.2r2-s2
OR
juniperjunosMatch23.2r2-s3
OR
juniperjunosMatch23.4-
OR
juniperjunosMatch23.4r1
OR
juniperjunosMatch23.4r1-s1
OR
juniperjunosMatch23.4r1-s2

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