U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2015-5523 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html CVE, MITRE Mailing List  Third Party Advisory 
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html CVE, MITRE Mailing List  Third Party Advisory 
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html CVE, MITRE Mailing List  Third Party Advisory 
http://www.debian.org/security/2015/dsa-3309 CVE, MITRE Third Party Advisory 
http://www.openwall.com/lists/oss-security/2015/06/04/2 CVE, MITRE Exploit 
http://www.openwall.com/lists/oss-security/2015/07/13/7 CVE, MITRE Exploit 
http://www.openwall.com/lists/oss-security/2015/07/15/3 CVE, MITRE
http://www.securityfocus.com/bid/75037 CVE, MITRE
http://www.securitytracker.com/id/1033703 CVE, MITRE
http://www.ubuntu.com/usn/USN-2695-1 CVE, MITRE Third Party Advisory 
https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501 CVE, MITRE Exploit 
https://support.apple.com/HT205212 CVE, MITRE Third Party Advisory 
https://support.apple.com/HT205213 CVE, MITRE Third Party Advisory 
https://support.apple.com/HT205267 CVE, MITRE Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-5523
NVD Published Date:
08/11/2015
NVD Last Modified:
04/12/2025
Source:
MITRE