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CVE-2007-6523

HIGH · CVSS 7.8EPSS 2.1%EU EUVD

Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-189
EPSS score
2.1% (81th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-6489)
Published
December 24, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-6489 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser

References

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

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