VULNERABILITY INTELLIGENCE

CVE-2019-19330

CVSS score9.8 CRITICAL
EPSS probability4.03%
CISA KEVNot currently listed
Published2019-11-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.

Weakness classification

  • nvd@nist.gov: CWE-74

Primary references