CVE-2007-6523
Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-6523- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-189, CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-6523- Updated
- 2026-11-02
EUVDEUVD-2007-6489 No score
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.
- Record
EUVD-2007-6489- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v6p3-rj7x-93p6 No score
Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote...
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.
- Record
GHSA-v6p3-rj7x-93p6- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, references, title | GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-6523 is a high vulnerability (CVSS 7.8) in Opera Browser, published December 24, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.
References
secunia.com/advisories/28314
securityreason.com/securityalert/3482
lists.opensuse.org/opensuse-security-announce/2008-01/msg00001.html
vupen.com/english/advisories/2007/4261
securityfocus.com/archive/1/484605/100/200/threaded
nvd.nist.gov/vuln/detail/CVE-2007-6523
github.com/advisories/GHSA-v6p3-rj7x-93p6