CVE-2019-3561

CRITICAL

HHVM < 3.27.7 - Out-of-Bounds Memory Access in strrpos and strripos Functions

Title source: llm
STIX 2.1

Description

Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0171
EPSS Percentile 74.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119 CWE-125
Status published
Products (1)
facebook/hhvm < 3.27.7
Published Apr 29, 2019
Tracked Since Feb 18, 2026