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Fencer Vulns
medium 4.3

CVE-2009-2044 json

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large…

published 2009-06-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2040

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.9%
EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.

Patch / fix

  • cairo Debian 14, Debian 13, Debian 12 1.8.8-2

debian advisories DEBIAN-CVE-2009-2044

Timeline

  1. First public exploit (EDB-33031)
  2. Published

Exploit prediction

5.89% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33031 Mozilla Firefox 3.0.x - Large '.GIF' File Background Denial of Service dos, 2009-05-10
  • securityfocus.com http://www.securityfocus.com/archive/1/504214 referenced PoC, tagged "exploit" by a source, unverified
  • e-rdc.org http://e-rdc.org/v1/news.php?readmore=137 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

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.