CVE-2024-39539

Summary

A Missing Release of Memory after Effective Lifetime vulnerability in Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS).

In a subscriber management scenario continuous subscriber logins will trigger a memory leak and eventually lead to an FPC crash and restart.

This issue affects Junos OS on MX Series:

  • All version before 21.2R3-S6,
  • 21.4 versions before 21.4R3-S6,
  • 22.1 versions before 22.1R3-S5,
  • 22.2 versions before 22.2R3-S3, 
  • 22.3 versions before 22.3R3-S2,
  • 22.4 versions before 22.4R3,
  • 23.2 versions before 23.2R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS0 < 21.2R3-S6affected
Juniper NetworksJunos OS21.4 < 21.4R3-S6affected
Juniper NetworksJunos OS22.1 < 22.1R3-S5affected
Juniper NetworksJunos OS22.2 < 22.2R3-S3affected
Juniper NetworksJunos OS22.3 < 22.3R3-S2affected
Juniper NetworksJunos OS22.4 < 22.4R3affected
Juniper NetworksJunos OS23.2 < 23.2R2affected

Weaknesses

  • CWE-401: CWE-401 Missing Release of Memory after Effective Lifetime

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References