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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-04-13 17:00Z10 YR AGO
- Last updated
- 2024-08-06 08:29Z2 YR AGO
- Reserved
- 2016-02-03
- Assigning CNA
- debian
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.1
- Document digest
- 6b80ffec2cbefbca7889df24ef0d1c1236ef6f70db875a0126ecffc238e56d3b
05 Affected products
06 References
- bugzilla.gnome.orghttps://bugzilla.gnome.org/show_bug.cgi?id=749115
- www.debian.orgDSA-3593https://www.debian.org/security/2016/dsa-3593
- www.ubuntu.comUSN-2994-1http://www.ubuntu.com/usn/USN-2994-1
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- www.openwall.com[oss-security] 20160203 Re: Out-of-bounds Read in the libxml2's htmlParseNameComplex() functionhttp://www.openwall.com/lists/oss-security/2016/02/03/5
- security.gentoo.orgGLSA-201701-37https://security.gentoo.org/glsa/201701-37
- www.securityfocus.com82071http://www.securityfocus.com/bid/82071
07 Fixed in
Debian 12
- libxml2 Fixed in 2.9.3+dfsg1-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxml2 Fixed in 2.9.3+dfsg1-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxml2 Fixed in 2.9.3+dfsg1-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libxml2 Fixed in 2.9.1+dfsg1-3ubuntu4.8
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- libxml2 Fixed in 2.9.3+dfsg1-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.