Is CVE-2012-1148 actively exploited?

CVE-2012-1148 has no public evidence of in-the-wild exploitation as of 2025-04-11.

What is the CVSS score for CVE-2012-1148?

CVE-2012-1148 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P.

How do I patch CVE-2012-1148?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2012-1148.

CVE-2012-1148 - remediation guidance & executive summary

Q: Which products are affected by CVE-2012-1148?

10 products: libexpat project libexpat, libexpat project libexpat, libexpat project libexpat, libexpat project libexpat, libexpat project libexpat, and 5 more.

Description

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.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: CWE-399

Metadata

Primary Vendor: LIBEXPAT_PROJECT
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

libexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatlibexpat_project : libexpatapple : mac_os_x

Remediation Guidance

Executive Summary

Cite this page

CVE-2012-1148. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2012-1148

View on NIST NVD

CVE-2012-1148 vulnerability