Is CVE-2012-0876 actively exploited?

CVE-2012-0876 has no public evidence of in-the-wild exploitation as of 2025-04-11.

What is the CVSS score for CVE-2012-0876?

CVE-2012-0876 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-2012-0876?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2012-0876.

CVE-2012-0876 - remediation guidance & executive summary

Q: Which products are affected by CVE-2012-0876?

22 products: libexpat project libexpat, python python, python python, python python, python python, and 17 more.

Description

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

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-400

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 : libexpatpython : pythonpython : pythonpython : pythonpython : pythondebian : debian_linuxdebian : debian_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxoracle : solarisredhat : storageredhat : enterprise_linux_desktopredhat : enterprise_linux_desktopredhat : enterprise_linux_eusredhat : enterprise_linux_serverredhat : enterprise_linux_serverredhat : enterprise_linux_server_ausredhat : enterprise_linux_workstationredhat : enterprise_linux_workstation

Remediation Guidance

Executive Summary

Cite this page

CVE-2012-0876. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2012-0876

View on NIST NVD

CVE-2012-0876 vulnerability