CVE-2015-5523

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.04
debiandebian_linux
7.0
debiandebian_linux
8.0
appleiphone_os
𝑥
≤ 8.2
applemac_os_x
𝑥
≤ 10.6.8
applewatchos
𝑥
≤ 1.0.1
htacgtidy
𝑥
≤ 4.9.30
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tidy
vivid
Fixed 20091223cvs-1.4ubuntu0.1
released
utopic
ignored
trusty
Fixed 20091223cvs-1.2ubuntu1.1
released
precise
Fixed 20091223cvs-1ubuntu2.1
released
Common Weakness Enumeration
References
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.debian.org/security/2015/dsa-3309
http://www.openwall.com/lists/oss-security/2015/06/04/2
http://www.openwall.com/lists/oss-security/2015/07/13/7
http://www.openwall.com/lists/oss-security/2015/07/15/3
http://www.securityfocus.com/bid/75037
http://www.securitytracker.com/id/1033703
http://www.ubuntu.com/usn/USN-2695-1
https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
https://support.apple.com/HT205212
https://support.apple.com/HT205213
https://support.apple.com/HT205267
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.debian.org/security/2015/dsa-3309
http://www.openwall.com/lists/oss-security/2015/06/04/2
http://www.openwall.com/lists/oss-security/2015/07/13/7
http://www.openwall.com/lists/oss-security/2015/07/15/3
http://www.securityfocus.com/bid/75037
http://www.securitytracker.com/id/1033703
http://www.ubuntu.com/usn/USN-2695-1
https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
https://support.apple.com/HT205212
https://support.apple.com/HT205213
https://support.apple.com/HT205267