Monday, July 19, 2021

Juniper Junos OS: 2021-07 Security Bulletin: Junos OS: Out-of-memory condition and crashes can occur after executing a certain CLI command repeatedly (JSA11195) (CVE-2021-0293)

 vulnerability in Juniper Networks Junos OS caused by Missing Release of Memory after Effective Lifetime leads to a memory leak each time the CLI command 'show system connections extensive' is executed. The amount of memory leaked on each execution depends on the number of TCP connections from and to the system. Repeated execution will cause more memory to leak and eventually daemons that need to allocate additionally memory and ultimately the kernel to crash, which will result in traffic loss.
  • juniper-junos-os-upgrade-latest

  • References
  • CVE - 2021-0293
  • JSA11195


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