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CVE-2015-5523 Details

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

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
canonical ubuntu linux	12.04 14.04 15.04
CPE 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:::::::* Remediation No remediation found in references.
debian debian linux	7.0 8.0
CPE cpe:2.3:o:debian:debian_linux:7.0:::::::* cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.
apple iphone os	<= 8.2
CPE cpe:2.3:o:apple:iphone_os:::::::: Remediation No remediation found in references.
apple mac os x	<= 10.6.8
CPE cpe:2.3:o:apple:mac_os_x:::::::: Remediation No remediation found in references.
apple watchos	<= 1.0.1
CPE cpe:2.3:o:apple:watchos:::::::: Remediation No remediation found in references.
htacg tidy	<= 4.9.30
CPE cpe:2.3:a:htacg:tidy:::::::: Remediation No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 8, 2016	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Aug 29, 2016	Modified Analysis	[email protected]
Oct 10, 2015	CVE Modified	[email protected]
Sep 19, 2015	CVE Modified	[email protected]
Aug 26, 2015	CVE Translated	[email protected]
Aug 11, 2015	Modified Analysis	[email protected]
Aug 11, 2015	Initial Analysis	[email protected]
Aug 11, 2015	Initial Analysis	[email protected]

CVE-2015-5523 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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