CVE-2008-5508: n/a vulnerability

CVE-2008-5508: Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1....

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters, which might allow remote attackers to misrepresent URLs and simplify phishing attacks.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 10:56 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects old Mozilla browsers and mail clients that could display or interpret crafted URLs misleadingly. An attacker could use that confusion to make a phishing link look more trustworthy than it is. The sources do not show code execution, data theft by itself, or active exploitation evidence. Exposure is mainly legacy endpoints, kiosks, mail clients, or long-lived systems still running the named Mozilla versions or distributor packages predating related advisories. Modern supported Firefox, Thunderbird, and SeaMonkey deployments are unlikely to be exposed based on the provided version ranges. Prioritize remediation where legacy clients are still used for email or web access. This is not presented as actively exploited, but it can increase phishing success and undermine user trust in displayed links. Mitigation focus: Upgrade Firefox, Thunderbird, and SeaMonkey beyond the affected versions named in the advisories.; Apply relevant Linux distribution security updates from Debian, Red Hat, Ubuntu, or Mandriva advisories.; Remove unsupported legacy Mozilla clients from managed endpoints where upgrade is not practical..

Prepared: Jun 28, 2026, 11:41 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 17, 2008, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
mozilla-urlparsing-weak-security(47414)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:11040CVE reference · vdb-entry, signature
USN-690-1CVE reference · vendor-advisory, x_refsource_UBUNTU
https://bugzilla.mozilla.org/show_bug.cgi?id=425046CVE reference · x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=460803CVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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