Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-11935

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
04/12/2019
Last modified:
17/06/2026

Description

Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 3.30.12 (excluding)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.0.0 (including) 4.8.5 (including)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* 4.9.0 (including) 4.23.1 (including)
cpe:2.3:a:facebook:hhvm:4.24.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.25.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.26.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.27.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.28.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:hhvm:4.28.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools