Skip to content
Fencer Vulns
medium 5.0

CVE-2004-2434 json

Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with "::{" (colon colon…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2425

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
32.8%
EPSS 32.8% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with "::{" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using "Save As" and Internet Explorer prepares an error message with an attacker-controlled format string.

Timeline

  1. First public exploit (EDB-376)
  2. Published

Exploit prediction

32.76% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-376 Microsoft Internet Explorer - 'mshtml.dll' Remote Null Pointer Crash dos, 2004-08-04
  • osvdb.org http://www.osvdb.org/8335 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1010491 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2004-06/0397.html referenced PoC, tagged "exploit" by a source, unverified
  • securiteam.com http://www.securiteam.com/windowsntfocus/5IP020KDPU.html 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.