Vulnerability Details : CVE-2015-8806
dict.c in libxml2 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via an unexpected character immediately after the "<!DOCTYPE html" substring in a crafted HTML document.
Vulnerability category: Denial of service
Products affected by CVE-2015-8806
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-8806
1.68%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-8806
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2015-8806
-
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
Oracle Solaris Bulletin - July 2016Third Party Advisory
-
https://security.gentoo.org/glsa/201701-37
libxml2: Multiple vulnerabilities (GLSA 201701-37) — Gentoo securityThird Party Advisory
-
http://www.ubuntu.com/usn/USN-2994-1
USN-2994-1: libxml2 vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/02/03/5
oss-security - Re: Out-of-bounds Read in the libxml2's htmlParseNameComplex() functionMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/82071
libxml2 CVE-2015-8806 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.debian.org/security/2016/dsa-3593
Debian -- Security Information -- DSA-3593-1 libxml2Third Party Advisory
-
https://bugzilla.gnome.org/show_bug.cgi?id=749115
Bug 749115 – Heap-buffer overread in libxml2/dict.c on fuzzed html inputIssue Tracking;Vendor Advisory
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