Public Date:
2012-A-0148, 2012-A-0153
787067: CVE-2012-0841 libxml2: hash table collisions CPU usage DoS

The MITRE CVE dictionary describes this issue as:

libxml2 before 2.8.0 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 crafted XML data.

Find out more about CVE-2012-0841 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (libxml2) RHSA-2012:0324 2012-02-21
Red Hat Enterprise Linux version 6 (libxml2) RHSA-2012:0324 2012-02-21
Red Hat Enterprise Linux version 6 (mingw32-libxml2) RHSA-2013:0217 2013-01-31

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 libxml2 Affected