Resource exhaustion in Libexpat Project
CVE-2012-0876
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.057 (92.3th percentile) — read the EPSS interpretation.
Affected products
- Libexpat_project Libexpat
- Oracle Solaris — versions 11.3
- Python
- Canonical Ubuntu_linux — versions 8.04, 10.04, 11.04
- Debian Debian_linux — versions 6.0, 7.0
- Redhat Enterprise_linux_desktop — versions 5.0, 6.0
- Redhat Enterprise_linux_eus — versions 6.2
- Redhat Enterprise_linux_server — versions 5.0, 6.0
- Redhat Enterprise_linux_server_aus — versions 6.2
- Redhat Enterprise_linux_workstation — versions 5.0, 6.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_SECUNIA, Not Applicable, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Not Applicable, third-party-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Release Notes)