UpHeron
All vulnerabilities

Servers and applications

CVE-2020-11100

In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.

Severity
High 8.8
Published
2 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.1.4
Sources
NVD

Affected software

SoftwareAffected versions
HAProxyServers and applications · cpe:a:haproxy:haproxy
  • From 1.8.0 before 2.1.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-11100
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-11100