CVE-2019-19330

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 27, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-19330: Critical severity, CVSS 9.8 | Vulnix