Is CVE-2012-1147 actively exploited?

CVE-2012-1147 has no public evidence of in-the-wild exploitation as of 2025-04-11.

What is the CVSS score for CVE-2012-1147?

CVE-2012-1147 has a CVSS score of 4.3 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P.

How do I patch CVE-2012-1147?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2012-1147.

CVE-2012-1147 - remediation guidance & executive summary

Q: Which products are affected by CVE-2012-1147?

11 products: apple mac os x, apple mac os x, libexpat project libexpat, libexpat project libexpat, libexpat project libexpat, and 6 more.

Description

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 Metrics

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: APPLE
Published: 7/3/2012
Last Modified: 4/11/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : mac_os_xapple : mac_os_xlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpat

Remediation Guidance

Executive Summary

Cite this page

CVE-2012-1147. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2012-1147

View on NIST NVD

CVE-2012-1147 vulnerability