When was CVE-2012-1147 disclosed?

CVE-2012-1147 was first published in the National Vulnerability Database on July 3, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-1147 actively exploited?

CVE-2012-1147 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-1147?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-1147, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2012-1147

NONECVSS 0.0

0.0

readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 74.5%
KEV: Not listed

References (18)

secalert@redhathttp://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
secalert@redhathttp://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
secalert@redhathttp://sourceforge.net/projects/expat/files/expat/2.1.0/
secalert@redhathttp://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
secalert@redhathttp://trac.wxwidgets.org/ticket/11194
secalert@redhathttp://trac.wxwidgets.org/ticket/11432
secalert@redhathttp://www.securityfocus.com/bid/52379
secalert@redhathttp://www.securitytracker.com/id/1034344
secalert@redhathttps://support.apple.com/HT205637
af854a3a-2127-422b-91ae-364da2661108http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
af854a3a-2127-422b-91ae-364da2661108http://sourceforge.net/projects/expat/files/expat/2.1.0/
af854a3a-2127-422b-91ae-364da2661108http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
af854a3a-2127-422b-91ae-364da2661108http://trac.wxwidgets.org/ticket/11194
af854a3a-2127-422b-91ae-364da2661108http://trac.wxwidgets.org/ticket/11432

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CVE-2012-1147

Published

Last Modified

References (18)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-1147?

Same CWE

CVE-2012-1147

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-1147?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(4)

Related CVEs(same CWE)