Table of Contents

Public Date:
656287: CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem

The MITRE CVE dictionary describes this issue as:

Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different vulnerability than CVE-2010-1210.

Find out more about CVE-2009-5017 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

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 5 RHSA-2010:0501 2010-06-22
Red Hat Enterprise Linux 4 (firefox) RHSA-2010:0500 2010-06-22
Last Modified

CVE description copyright © 2017, The MITRE Corporation