CVE-2012-0876

high

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.

References

Advisories
More

https://www.tenable.com/security/tns-2016-20

https://support.apple.com/HT205637

http://www.ubuntu.com/usn/USN-1613-2

http://www.ubuntu.com/usn/USN-1613-1

http://www.ubuntu.com/usn/USN-1527-1

http://www.securityfocus.com/bid/52379

http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

http://www.debian.org/security/2012/dsa-2525

http://sourceforge.net/tracker/?func=detail&atid=110127&aid=3496608&group_id=10127

http://sourceforge.net/projects/expat/files/expat/2.1.0/

http://rhn.redhat.com/errata/RHSA-2016-2957.html

http://rhn.redhat.com/errata/RHSA-2016-0062.html

http://rhn.redhat.com/errata/RHSA-2012-0731.html

http://bugs.python.org/issue13703#msg151870

http://secunia.com/advisories/51040

http://secunia.com/advisories/51024

http://secunia.com/advisories/49504

Details

Source: Mitre, NVD

Published: 2012-07-03

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00545