The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
History

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: facebook

Published: 2018-12-31T22:00:00.000Z

Updated: 2025-05-06T19:00:01.711Z

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

Link: CVE-2018-6340

cve-icon Vulnrichment

Updated: 2024-08-05T06:01:48.705Z

cve-icon NVD

Status : Modified

Published: 2018-12-31T22:29:00.327

Modified: 2025-05-06T19:15:54.063

Link: CVE-2018-6340

cve-icon Redhat

No data.