CVE-2007-6521

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code...

10.0 High

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code via crafted TLS certificates.

Exploit likelihood

5.02%Down 6.3 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code via crafted TLS certificates.

Record: CVE-2007-6521
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-310
Updated: 2026-11-02

CVE List No score

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code via crafted TLS certificates.

Record: CVE-2007-6521
Updated: 2026-11-02

EUVDEUVD-2007-6487 No score

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code via crafted TLS certificates.

Record: EUVD-2007-6487
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5274-p7fr-qfrr No score

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code...

Unspecified vulnerability in Opera before 9.25 allows remote attackers to execute arbitrary code via crafted TLS certificates.

Record: GHSA-5274-p7fr-qfrr
Updated: 2026-11-02

Affected products

opera browser

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, references, title	GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-6521 is a high vulnerability (CVSS 10.0) 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 5.02%, the 92nd percentile. No source names a fixed version.

References

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