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Vulnerability Details : CVE-2012-1148

Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.
Publish Date : 2012-07-03 Last Update Date : 2021-01-25
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:L/Au:N/C:N/I:N/A:P 2012-03-06 2012-03-03
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-0731 -- expat security update (moderate) oval:org.mitre.oval:def:27196 unix
DEPRECATED: ELSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:23336 unix
DSA-2525-1 expat - several oval:org.mitre.oval:def:20103 unix
ELSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:23698 unix
RHSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:20541 unix
RHSA-2012:0731: expat security update (Moderate) oval:com.redhat.rhsa:def:20120731 unix
USN-1527-1 -- expat vulnerabilities oval:org.mitre.oval:def:17120 unix
VMware security updates for vSphere API and ESX Service Console oval:org.mitre.oval:def:20359 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-1148

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Mac Os X * * * * Version Details Vulnerabilities
2 Application Libexpat Project Libexpat * * * * Version Details Vulnerabilities
3 Application Libexpat Project Libexpat 1.95.1 * * * Version Details Vulnerabilities
4 Application Libexpat Project Libexpat 1.95.2 * * * Version Details Vulnerabilities
5 Application Libexpat Project Libexpat 1.95.4 * * * Version Details Vulnerabilities
6 Application Libexpat Project Libexpat 1.95.5 * * * Version Details Vulnerabilities
7 Application Libexpat Project Libexpat 1.95.6 * * * Version Details Vulnerabilities
8 Application Libexpat Project Libexpat 1.95.7 * * * Version Details Vulnerabilities
9 Application Libexpat Project Libexpat 1.95.8 * * * Version Details Vulnerabilities
10 Application Libexpat Project Libexpat 2.0.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mac Os X 1
Libexpat Project Libexpat 9

- References For CVE-2012-1148 CONFIRM
APPLE APPLE-SA-2015-12-08-3
BID 52379 Expat XML Parsing Multiple Remote Denial of Service Vulnerabilities Release Date:2017-03-27 CONFIRM
REDHAT RHSA-2016:0062
SECTRACK 1034344
REDHAT RHSA-2016:2957

- Metasploit Modules Related To CVE-2012-1148

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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