CVE-2016-6870

CRITICAL

Facebook HHVM < 3.14.5 - Out-of-bounds Write in mb_detect_encoding, mb_send_mail, and mb_detect_order

Title source: llm
STIX 2.1

Description

Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

References (3)

Core 3
Core References
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/11/1
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/19/1

Scores

CVSS v3 9.8
EPSS 0.0221
EPSS Percentile 80.6%
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-787
Status published
Products (1)
facebook/hhvm < 3.14.5
Published Feb 17, 2017
Tracked Since Feb 18, 2026