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Fencer Vulns
medium 5.0

CVE-2009-1828 json

Mozilla Firefox 3.0.10 allows remote attackers to cause a denial of service (infinite loop, application hang, and memory consumption) via a…

published 2009-05-29 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1823

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.8%
EPSS 8.8% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox 3.0.10 allows remote attackers to cause a denial of service (infinite loop, application hang, and memory consumption) via a KEYGEN element in conjunction with (1) a META element specifying automatic page refresh or (2) a JavaScript onLoad event handler for a BODY element. NOTE: it was later reported that earlier versions are also affected.

Timeline

  1. First public exploit (EDB-8822)
  2. Published

Exploit prediction

8.78% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8822 Mozilla Firefox 3.0.10 - 'KEYGEN' Remote Denial of Service dos, 2009-05-29
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=469565 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0247.html referenced PoC, tagged "exploit" by a source, unverified
  • blog.zoller.lu http://blog.zoller.lu/2009/04/advisory-firefox-denial-of-service.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.