CVE-2015-5523
6.3 Medium
AI Score
Confidence
Low
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.015 Low
EPSS
Percentile
86.9%
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.
References
lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
www.debian.org/security/2015/dsa-3309
www.openwall.com/lists/oss-security/2015/06/04/2
www.openwall.com/lists/oss-security/2015/07/13/7
www.openwall.com/lists/oss-security/2015/07/15/3
www.securityfocus.com/bid/75037
www.securitytracker.com/id/1033703
www.ubuntu.com/usn/USN-2695-1
github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
support.apple.com/HT205212
support.apple.com/HT205213
support.apple.com/HT205267
Related
6.3 Medium
AI Score
Confidence
Low
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.015 Low
EPSS
Percentile
86.9%