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Fencer Vulns
medium 5.0

CVE-2009-0821 json

Mozilla Firefox 2.0.0.20 and earlier allows remote attackers to cause a denial of service (application crash) via nested calls to the windo…

published 2009-03-05 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0818

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox 2.0.0.20 and earlier allows remote attackers to cause a denial of service (application crash) via nested calls to the window.print function, as demonstrated by a window.print(window.print()) in the onclick attribute of an INPUT element.

Timeline

  1. First public exploit (EDB-32836)
  2. Published

Exploit prediction

5.29% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-32836 Mozilla Firefox 2.0.x - Nested 'window.print()' Denial of Service dos, 2009-03-03
  • securityfocus.com http://www.securityfocus.com/bid/33969 referenced PoC, tagged "exploit" by a source, unverified
  • downloads.securityfocus.com http://downloads.securityfocus.com/vulnerabilities/exploits/33969.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

Classification

Weakness
  • CWE-399 Resource Management Errors

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.