CVE-2016-5300

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Summary

CVECVE-2016-5300
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-06-16 18:59:10 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-399 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Google Android 4.4.4 All All All
Operating System Google Android 5.0.2 All All All
Operating System Google Android 5.1.1 All All All
Operating System Google Android 6.0 All All All
Operating System Google Android 6.0.1 All All All
Application Libexpat Project Libexpat All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Expat: Multiple vulnerabilities (GLSA 201701-21) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
Security Bulletin - Policy Auditor update fixes multiple vulnerabilities in third-party libraries (CVE-2016-0718, CVE-2016-4472, CVE-2016-5300, CVE-2017-17740, CVE-2017-9287, CVE-2019-13057, CVE-2020-15719, CVE-2019-1543, CVE-2019-1547, CVE-2019-1552, CVE-2019-1563, CVE-2019-8457, CVE-2018-20506, CVE-2018-20346, CVE-2019-16168, CVE-2017-12627) af854a3a-2127-422b-91ae-364da2661108 kc.mcafee.com
USN-3010-1: Expat vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e69... af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
oss-security - Re: expat hash collision fix too predictable? af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List
Android Security Bulletin—November 2016 | Android Open Source Project af854a3a-2127-422b-91ae-364da2661108 source.android.com Third Party Advisory
oss-security - Re: expat hash collision fix too predictable? af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List
Oracle Solaris Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
Debian -- Security Information -- DSA-3597-1 expat af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Expat CVE-2016-5300 Incomplete Fix Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450... af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
CPU July 2018 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Third Party Advisory
[R2] PVS 5.2.0 Fixes Multiple Third-party Library Vulnerabilities - Security Advisory | Tenable Network Security af854a3a-2127-422b-91ae-364da2661108 www.tenable.com Third Party Advisory
Pony Mail! MITRE lists.apache.org
Pony Mail! MITRE lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710322 Gentoo Linux Expat Multiple Vulnerabilities (GLSA 201701-21)
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