Mozilla Firefox 2.0.0.4 and earlier allows remote attackers to read files in the local Firefox installation directory via a resource:// URI.

published 2007-06-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3066

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

larholm.com http://larholm.com/2007/06/04/unpatched-input-validation-flaw-in-firefox-2004/ referenced PoC, tagged "exploit" by a source, unverified
larholm.com http://larholm.com/2007/05/25/firefox-0day-local-file-reading/ referenced PoC, tagged "exploit" by a source, unverified
ha.ckers.org http://ha.ckers.org/blog/20070516/read-firefox-settings-poc/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

larholm.com /2007/06/04/unpatched-input-validation-flaw-in-firefox-2004/
exploit
larholm.com /2007/05/25/firefox-0day-local-file-reading/
exploit
ha.ckers.org /blog/20070516/read-firefox-settings-poc/
exploit
secunia.com /advisories/25481
third-party-advisory, vendor-advisory
securityfocus.com /archive/1/470500/100/0/threaded
mailing-list
osvdb.org /35918
vdb-entry
bugzilla.mozilla.org /show_bug.cgi?id=367428

Sources

CVE List CVE-2007-3074
NVD CVE-2007-3074

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary