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Fencer Vulns
high 7.1

CVE-2007-2671 json

Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute i…

published 2007-05-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2663

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute in an A element, which triggers an out-of-bounds memory access.

Timeline

  1. First public exploit (EDB-29940)
  2. Published

Exploit prediction

3.19% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-29940 Mozilla Firefox 2.0.0.3 - Href Denial of Service dos, 2007-05-01
  • securityfocus.com http://www.securityfocus.com/bid/23747 referenced PoC, tagged "exploit" by a source, unverified
  • critical.lt http://www.critical.lt/research/opera_die_happy.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

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.