UpHeron
All vulnerabilities

Servers and applications

CVE-2023-4408

The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers. This issue affects BIND 9 versions 9.0.0 through…

Severity
High 7.5
Published
13 Feb 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • From 9.19.0 up to 9.19.19
  • Version 9.18.18-s1
  • Version 9.18.11-s1
  • Version 9.18.0-s1
All 16 release lines
  • From 9.0.0 up to 9.16.45
  • Version 9.9.3-s1
  • Version 9.16.8-s1
  • Version 9.16.11-s1
  • Version 9.16.12-s1
  • Version 9.16.13-s1
  • Version 9.16.14-s1
  • Version 9.16.21-s1
  • Version 9.16.32-s1
  • Version 9.16.36-s1
  • Version 9.16.43-s1
  • From 9.18.0 up to 9.18.21
  • Version 9.18.0-s1
  • Version 9.18.11-s1
  • Version 9.18.18-s1
  • From 9.19.0 up to 9.19.19

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-4408
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-4408