A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests.
History

Tue, 06 May 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: facebook

Published: 2018-12-31T20:00:00.000Z

Updated: 2025-05-06T19:02:13.156Z

Reserved: 2018-01-26T00:00:00.000Z

Link: CVE-2018-6335

cve-icon Vulnrichment

Updated: 2024-08-05T06:01:48.923Z

cve-icon NVD

Status : Modified

Published: 2018-12-31T19:29:00.417

Modified: 2025-05-06T19:15:53.723

Link: CVE-2018-6335

cve-icon Redhat

No data.