Is CVE-2007-4367 in the CISA KEV catalog?

No. CVE-2007-4367 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-4367?

CVE-2007-4367 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2007-4367?

CVE-2007-4367 has an EPSS score of 8.25% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-4367?

Upgrade Opera GX Stable to 9.23 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2007-4367

HIGHEPSS 94th pctl

9.3

CVSS v2

NVD

Description

Opera before 9.23 allows remote attackers to execute arbitrary code via crafted Javascript that triggers a "virtual function call on an invalid pointer."

CWE-763

How to fix

Remediation Available

Opera GX StableWindows application

Affected:9.23Fixed in:9.23Opera Software

Opera StableWindows application

Affected:9.23Fixed in:9.23Opera Software

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.25%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

secunia.com

Exploit1

securityfocus.com

Vendor Advisory1

opera.com

Third-Party Advisory4

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.