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Servers and applications

CVE-2018-5391

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became…

Severity
High 7.5
Published
6 Sept 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
11.6.5.1, 12.1.5, 13.1.3, 14.0.1.1, 14.1.2.4
Exploit chance
32% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.5.1 before 11.6.5.1
  • From 12.1.0 before 12.1.5
  • From 13.0.0 before 13.1.3
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.4
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.5.1 before 11.6.5.1
  • From 12.1.0 before 12.1.5
  • From 13.0.0 before 13.1.3
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-5391
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-5391