CVE-2015-5523

Severity CVSS v4.0:

Pending analysis

Type:

CWE-119 Buffer Errors

Publication date:

11/08/2015

Last modified:

12/04/2025

Description

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

Impact

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:apple:iphone_os::::::::		8.2 (including)
cpe:2.3:o:apple:mac_os_x::::::::		10.6.8 (including)
cpe:2.3:o:apple:watchos::::::::		1.0.1 (including)
cpe:2.3:a:htacg:tidy::::::::		4.9.30 (including)

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

CPE	From	Up to
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:apple:iphone_os::::::::		8.2 (including)
cpe:2.3:o:apple:mac_os_x::::::::		10.6.8 (including)
cpe:2.3:o:apple:watchos::::::::		1.0.1 (including)
cpe:2.3:a:htacg:tidy::::::::		4.9.30 (including)

CVE-2015-5523

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools