CVE-2016-2073
published 2016-02-12CVE-2016-2073: The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
PriorityP425medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
2.66%
83.8th percentile
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | libxml2 | < libxml2 2.9.3+dfsg1-1.1 (bookworm) | libxml2 2.9.3+dfsg1-1.1 (bookworm) |
| xmlsoft | libxml2 | < 2.9.4 | 2.9.4 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1.1 | 2.9.3+dfsg1-1.1 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1.1 | 2.9.3+dfsg1-1.1 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1.1 | 2.9.3+dfsg1-1.1 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1.1 | 2.9.3+dfsg1-1.1 |
| xmlsoft | libxml2 | >= 0 < 2.9.1+dfsg1-3ubuntu4.8 | 2.9.1+dfsg1-3ubuntu4.8 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1ubuntu0.1 | 2.9.3+dfsg1-1ubuntu0.1 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_ubuntu7.5HIGH
vendor_debian6.5MEDIUM
vendor_redhat5.5MEDIUM
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Ubuntu
libxml2 vulnerabilities
vendor_ubuntu·2016-06-06·CVSS 7.5
CVE-2015-8806 [HIGH] libxml2 vulnerabilities
Title: libxml2 vulnerabilities
Summary: Several security issues were fixed in libxml2.
It was discovered that libxml2 incorrectly handled certain malformed
documents. If a user or automated system were tricked into opening a
specially crafted document, an attacker could possibly cause libxml2 to
crash, resulting in a denial of service. (CVE-2015-8806, CVE-2016-2073,
CVE-2016-3627, CVE-2016-3705, CVE-2016-4447)
It was discovered that libxml2 incorrectly handled certain malformed
documents. If a user or automated system were tricked into opening a
specially crafted document, an attacker could cause libxml2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-1762, CVE-2016-1834)
Mateusz Jurczyk discovered that libxml2 incorrectly handled certain
malfo
Red Hat
libxml2: out-of-bounds read in htmlParseNameComplex()
vendor_redhat·2016-01-25·CVSS 5.5
CVE-2016-2073 [MEDIUM] CWE-20 libxml2: out-of-bounds read in htmlParseNameComplex()
libxml2: out-of-bounds read in htmlParseNameComplex()
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
Statement: This flaw was found to be a duplicate of CVE-2016-1839. Please see https://access.redhat.com/security/cve/CVE-2016-1839 for information about affected products and security errata.
Package: libxml2 (Red Hat Enterprise Linux 5) - Not affected
Package: libxml2 (Red Hat Enterprise Linux 6) - Not affected
Package: libxml2 (Red Hat Enterprise Linux 7) - Not affected
Debian
CVE-2016-2073: libxml2 - The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to...
vendor_debian·2016·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073: libxml2 - The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to...
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
Scope: local
bookworm: resolved (fixed in 2.9.3+dfsg1-1.1)
bullseye: resolved (fixed in 2.9.3+dfsg1-1.1)
forky: resolved (fixed in 2.9.3+dfsg1-1.1)
sid: resolved (fixed in 2.9.3+dfsg1-1.1)
trixie: resolved (fixed in 2.9.3+dfsg1-1.1)
GHSA
GHSA-4m8g-g68p-w333: The htmlParseNameComplex function in HTMLparser
ghsa_unreviewed·2022-05-13
CVE-2016-2073 [MEDIUM] CWE-119 GHSA-4m8g-g68p-w333: The htmlParseNameComplex function in HTMLparser
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
OSV
libxml2 vulnerabilities
osv·2016-06-06·CVSS 7.5
CVE-2015-8806 [HIGH] libxml2 vulnerabilities
libxml2 vulnerabilities
It was discovered that libxml2 incorrectly handled certain malformed
documents. If a user or automated system were tricked into opening a
specially crafted document, an attacker could possibly cause libxml2 to
crash, resulting in a denial of service. (CVE-2015-8806, CVE-2016-2073,
CVE-2016-3627, CVE-2016-3705, CVE-2016-4447)
It was discovered that libxml2 incorrectly handled certain malformed
documents. If a user or automated system were tricked into opening a
specially crafted document, an attacker could cause libxml2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-1762, CVE-2016-1834)
Mateusz Jurczyk discovered that libxml2 incorrectly handled certain
malformed documents. If a user or automated system were tricked into
OSV
CVE-2016-2073: The htmlParseNameComplex function in HTMLparser
osv·2016-02-12·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073: The htmlParseNameComplex function in HTMLparser
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-8806 libxml2: heap-buffer overread in dict.c
bugzilla·2016-02-04·CVSS 7.5
CVE-2015-8806 [HIGH] CVE-2015-8806 libxml2: heap-buffer overread in dict.c
CVE-2015-8806 libxml2: heap-buffer overread in dict.c
A heap-buffer overread vulnerability was found in libxml2. A specially crafted file can cause the application to crash.
External bugzilla report with reproducer:
https://bugzilla.gnome.org/show_bug.cgi?id=749115
CVE assignment:
http://seclists.org/oss-sec/2016/q1/277
Discussion:
Created libxml2 tracking bugs for this issue:
Affects: fedora-all [bug 1304638]
---
Created mingw-libxml2 tracking bugs for this issue:
Affects: fedora-all [bug 1304639]
Affects: epel-7 [bug 1304640]
---
I believe that this is actually a duplicate of CVE-2016-2073
---
Actually marking this duplicate of CVE-2016-1839, to follow upstream.
*** This bug has been marked as a duplicate of bug 1338703 ***
---
Statement:
This flaw was found to be a du
Bugzilla
CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [epel-7]
bugzilla·2016-01-26·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [epel-7]
CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
epel-7 tracking bug for mingw-libxml2
Bugzilla
CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
bugzilla·2016-01-26·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
CVE-2016-2073 mingw-libxml2: libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supp
Bugzilla
CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex()
bugzilla·2016-01-26·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex()
CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex()
An out-of-bounds read flaw was reported in libxml2's htmlParseNameComplex() function:
http://seclists.org/oss-sec/2016/q1/199
A remote attacker could provide a specially crafted XML file that, when processed by an application linked against libxml2, could cause the application to disclose crash.
Discussion:
Created libxml2 tracking bugs for this issue:
Affects: fedora-all [bug 1301929]
---
Created mingw-libxml2 tracking bugs for this issue:
Affects: fedora-all [bug 1301930]
Affects: epel-7 [bug 1301931]
---
Below is my current understanding of this issue (which, I believe, is identical to 1304636) :
The issue is when a word starts with normal ASCII chars and jumps to UTF multibytes chars.
The issue is in html
Bugzilla
CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
bugzilla·2016-01-26·CVSS 6.5
CVE-2016-2073 [MEDIUM] CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
CVE-2016-2073 libxml2: out-of-bounds read in htmlParseNameComplex() [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions
http://www.openwall.com/lists/oss-security/2016/01/25/6http://www.openwall.com/lists/oss-security/2016/01/26/7http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlhttp://www.securityfocus.com/bid/85267http://www.securitytracker.com/id/1035011http://www.ubuntu.com/usn/USN-2994-1https://security.gentoo.org/glsa/201701-37https://www.debian.org/security/2016/dsa-3593http://www.openwall.com/lists/oss-security/2016/01/25/6http://www.openwall.com/lists/oss-security/2016/01/26/7http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlhttp://www.securityfocus.com/bid/85267http://www.securitytracker.com/id/1035011http://www.ubuntu.com/usn/USN-2994-1https://security.gentoo.org/glsa/201701-37https://www.debian.org/security/2016/dsa-3593
2016-02-12
Published