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Fencer Vulns
medium 5.0

CVE-2005-4720 json

Mozilla Firefox 1.0.7 and earlier on Linux allows remote attackers to cause a denial of service (client crash) via an IFRAME element with a…

published 2005-12-31 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4713

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.4%
EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox 1.0.7 and earlier on Linux allows remote attackers to cause a denial of service (client crash) via an IFRAME element with a large value of the WIDTH attribute, which triggers a problem related to representation of floating-point numbers, leading to an infinite loop of widget resizes and a corresponding large number of function calls on the stack.

Patch / fix

Timeline

  1. First public exploit (EDB-26325)
  2. Published

Exploit prediction

8.41% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26325 Mozilla Firefox 1.0.6/1.0.7 - iFrame Handling Denial of Service dos, 2005-10-05
  • securitytracker.com http://securitytracker.com/id?1015011 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/15015 referenced PoC, tagged "exploit" by a source, unverified
  • security-protocols.com http://www.security-protocols.com/advisory/sp-x19-advisory.txt referenced PoC, tagged "exploit" by a source, unverified
  • security-protocols.com http://security-protocols.com/modules.php?name=News&file=article&sid=2978 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/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.