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CVE-2006-6499

MEDIUM · CVSS 4.3EPSS 3.9%EU EUVD

The js_dtoa function in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 overwrites memory instead of exiting when the floating point precision is reduced, which allows remote attackers to cause a denial of service via any plugins that reduce the precision.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-835
EPSS score
3.9% (90th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2006-6482)
Published
December 20, 2006
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6482 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • debian / debian linux
  • debian / debian linux
  • mozilla / firefox
  • mozilla / seamonkey
  • mozilla / thunderbird

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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