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CVE-2015-8317

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.

Published:Jun 29, 2015

Last Modified:Apr 12, 2025

EPS:Dec 15, 2015

EPSS Score:0.00275

CVSS Score:5

Affected Products

Vendor

Product

Action

Vendor

Canonical

Product

Ubuntu Linux

Canonical

Ubuntu Linux

Vendor

Debian

Product

Debian Linux

Debian

Debian Linux

Vendor

Hp

Product

Icewall Federation Agent

Hp

Icewall Federation Agent

Vendor

Hp

Product

Icewall File Manager

Hp

Icewall File Manager

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Vendor

Redhat

Product

Enterprise Linux Desktop

Redhat

Enterprise Linux Desktop

Vendor

Redhat

Product

Enterprise Linux Hpc Node

Redhat

Enterprise Linux Hpc Node

Vendor

Redhat

Product

Enterprise Linux Server

Redhat

Enterprise Linux Server

Vendor

Redhat

Product

Enterprise Linux Workstation

Redhat

Enterprise Linux Workstation

Vendor

Redhat

Product

Jboss Enterprise Web Server

Redhat

Jboss Enterprise Web Server

Vendor

Xmlsoft

Product

Libxml2

Xmlsoft

Libxml2

Exploits

https://bugzilla.gnome.org/show_bug.cgi?id=751631 https://bugzilla.redhat.com/show_bug.cgi?id=1281930 https://bugzilla.gnome.org/show_bug.cgi?id=751631 https://bugzilla.redhat.com/show_bug.cgi?id=1281930

Common Weakness Enumeration

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-125 Out-of-bounds Read

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-10 Buffer Overflow via Environment Variables

CAPEC-100 Overflow Buffers

CAPEC-123 Buffer Manipulation

CAPEC-14 Client-side Injection-induced Buffer Overflow

CAPEC-24 Filter Failure through Buffer Overflow

CAPEC-42 MIME Conversion

CAPEC-44 Overflow Binary Resource File

CAPEC-45 Buffer Overflow via Symbolic Links

CAPEC-46 Overflow Variables and Tags

CAPEC-47 Buffer Overflow via Parameter Expansion

CAPEC-540 Overread Buffers

CAPEC-8 Buffer Overflow in an API Call

CAPEC-9 Buffer Overflow in Local Command-Line Utilities

Related CVEs

CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…

CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…

CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …

CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…

CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…

CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…

CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…

CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…

CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…

CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html

http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html

http://marc.info/?l=bugtraq&m=145382616617563&w=2

http://rhn.redhat.com/errata/RHSA-2015-2549.html

http://rhn.redhat.com/errata/RHSA-2016-1089.html

http://www.debian.org/security/2015/dsa-3430

http://www.openwall.com/lists/oss-security/2015/11/21/1

http://www.openwall.com/lists/oss-security/2015/11/22/3

http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/77681

http://www.securityfocus.com/bid/91826

http://www.securitytracker.com/id/1034243

http://www.ubuntu.com/usn/USN-2834-1

https://blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html

https://bugzilla.gnome.org/show_bug.cgi?id=751603

https://bugzilla.gnome.org/show_bug.cgi?id=751631

https://bugzilla.redhat.com/show_bug.cgi?id=1281930

https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e

https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172

https://support.apple.com/HT206899

https://support.apple.com/HT206901

https://support.apple.com/HT206902

https://support.apple.com/HT206903

https://support.apple.com/HT206904

https://support.apple.com/HT206905

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html

http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html

http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html

http://marc.info/?l=bugtraq&m=145382616617563&w=2

http://rhn.redhat.com/errata/RHSA-2015-2549.html

http://rhn.redhat.com/errata/RHSA-2016-1089.html

http://www.debian.org/security/2015/dsa-3430

http://www.openwall.com/lists/oss-security/2015/11/21/1

http://www.openwall.com/lists/oss-security/2015/11/22/3

http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/77681

http://www.securityfocus.com/bid/91826

http://www.securitytracker.com/id/1034243

http://www.ubuntu.com/usn/USN-2834-1

https://blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html

https://bugzilla.gnome.org/show_bug.cgi?id=751603

https://bugzilla.gnome.org/show_bug.cgi?id=751631

https://bugzilla.redhat.com/show_bug.cgi?id=1281930

https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e

https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172

https://support.apple.com/HT206899

https://support.apple.com/HT206901

https://support.apple.com/HT206902

https://support.apple.com/HT206903

https://support.apple.com/HT206904

https://support.apple.com/HT206905

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High