UpHeron
All vulnerabilities

Servers and applications

CVE-2019-6477

With pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the server has been provisioned to handle. When a TCP connection with a large number of pipelined queries is closed, the load on the server…

Severity
High 7.5
Published
26 Nov 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.1% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • From 9.15.0 up to 9.15.5
  • From 9.14.1 up to 9.14.7
  • Version 9.12.4-p2
  • Version 9.12.4-p1
All 9 release lines
  • Version 9.11.5-s6
  • Version 9.11.6-rc1
  • Version 9.11.6-p1
  • From 9.11.7 up to 9.11.12
  • Version 9.11.12-s1
  • Version 9.12.4-p1
  • Version 9.12.4-p2
  • From 9.14.1 up to 9.14.7
  • From 9.15.0 up to 9.15.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6477
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6477