CVE-2007-4038: n/a vulnerability

CVE-2007-4038: Argument injection vulnerability in Mozilla Firefox before 2.0.0.5, when running on systems with Thunderbir...

Argument injection vulnerability in Mozilla Firefox before 2.0.0.5, when running on systems with Thunderbird 1.5 installed and certain URIs registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in a mailto URI, which are inserted into the command line that is created when invoking Thunderbird.exe, a similar issue to CVE-2007-3670.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 14:37 UTC (UTC+00:00)

Security readout for executives and security teams

This is a legacy browser-email client interaction flaw. Firefox before 2.0.0.5 could pass unsafe mailto URI content into Thunderbird 1.5 command-line handling, creating a path to arbitrary command execution under specific system conditions. Exposure appears limited to legacy systems running Firefox before 2.0.0.5 with Thunderbird 1.5 installed and relevant URI registrations. Modern environments are unlikely to match this stack, but old managed images, kiosks, or lab systems should be checked. Prioritize only if legacy Mozilla software remains in production or sensitive environments. The business risk is high on affected systems because command execution is possible, but expected exposure is narrow and tied to obsolete software. Mitigation focus: Upgrade Firefox to 2.0.0.5 or later on any remaining legacy systems.; Remove or upgrade Thunderbird 1.5 where it is still installed.; Review registered URI handlers on legacy workstations..

Prepared: Jun 29, 2026, 04:20 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: Jul 27, 2007, 22:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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