VULNERABILITY INTELLIGENCE

CVE-2020-11100

CVSS score8.8 HIGH
EPSS probability61.59%
CISA KEVNot currently listed
Published2020-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references