CVE-2015-5523
Summary
| CVE | CVE-2015-5523 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2015-08-11 14:59:15 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Apple | Iphone Os | All | All | All | All |
| Operating System | Apple | Mac Os X | All | All | All | All |
| Operating System | Apple | Watchos | All | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.04 | All | All | All |
| Operating System | Debian | Debian Linux | 7.0 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Application | Htacg | Tidy | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Apple OS X Multiple Flaws Let Remote and Local Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Deny Service and Let Local Users Gain Elevated Privileges - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| oss-security - Re: CVE Request - tidy 0.99 / tidy5 heap-buffer-overflow | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| About the security content of watchOS 2 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| oss-security - CVE Request - tidy 0.99 / tidy5 heap-buffer-overflow | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Exploit |
| APPLE-SA-2015-09-30-3 OS X El Capitan 10.11 | af854a3a-2127-422b-91ae-364da2661108 | lists.apple.com | Mailing List, Third Party Advisory |
| USN-2695-1: HTML Tidy vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| Tidy 'tmbstr.c' Heap Based Buffer Overflow Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| APPLE-SA-2015-09-16-1 iOS 9 | af854a3a-2127-422b-91ae-364da2661108 | lists.apple.com | Mailing List, Third Party Advisory |
| About the security content of iOS 9 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| tidy heap-buffer-overflow · Issue #217 · htacg/tidy-html5 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Exploit |
| Debian -- Security Information -- DSA-3309-1 tidy | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| About the security content of OS X El Capitan v10.11 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| oss-security - Re: CVE Request - tidy 0.99 / tidy5 heap-buffer-overflow | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Exploit |
| APPLE-SA-2015-09-21-1 watchOS 2 | af854a3a-2127-422b-91ae-364da2661108 | lists.apple.com | Mailing List, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.