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Fencer Vulns
medium 4.3

CVE-2007-3657 json

Mozilla Firefox 2.0.0.4 allows remote attackers to cause a denial of service by opening multiple tabs in a popup window.

published 2007-07-10 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3641

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

Mozilla Firefox 2.0.0.4 allows remote attackers to cause a denial of service by opening multiple tabs in a popup window. NOTE: this issue has been disputed by third party researchers, stating that "this does not crash on me, and I can't see a likely mechanism of action that would lead to a DoS condition.

Exploit prediction

1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/archive/1/473187 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/24820 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:N/I:N/A:P

References

Sources

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.