CVE-2009-5017 — Cross-site Scripting in Mozilla Firefox

CWE-79 — Cross-site Scripting5 documents4 sources
Severity
4.3MEDIUMNVD
EPSS
0.2%
top 62.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedNov 12
Latest updateMay 2

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.

CVSS vector

AV:N/AC:M/C:N/I:P/A:NExploitability: 8.6 | Impact: 2.9

Affected Packages1 packages

▶NVDmozilla/firefox3.6+1

Patches

Patch: bugzilla.mozilla.org ↗Patch: bugzilla.mozilla.org ↗

🔴Vulnerability Details

1
GHSA
GHSA-p83q-cg3p-77f9: Mozilla Firefox before 3↗2022-05-02
▶

📋Vendor Advisories

1
Red Hat
Firefox: overlong UTF-8 seqence detection problem↗2009-08-21
▶

💬Community

2
Bugzilla
CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem↗2010-11-23
▶
Bugzilla
CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem [fedora-12]↗2010-11-23
▶