All vulnerabilities

Servers and applications

CVE-2018-20103

An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

Severity
High 7.5
Published
12 Dec 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
HAProxyServers and applications · cpe:a:haproxy:haproxy
  • Every version up to 1.8.14

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-20103
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-20103