CVE-2009-5017

Firefox: overlong UTF-8 seqence detection problem

Published Nov 12, 2010 CVSS 2.0 · 4.3 Medium EPSS 1.8% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2009-4975 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 16, 2024, 5:44 PM
Reserved
Nov 12, 2010, 12:00 AM
Status
Modified
Published
Nov 12, 2010, 10:00 PM
Modified
Jun 16, 2026, 11:14 PM
Severity
Low
Public date
Aug 21, 2009, 12:00 AM