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Opera before 9.23 allows remote attackers to execute...

High severity Unreviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Apr 9, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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."

References

Published by the National Vulnerability Database Aug 15, 2007
Published to the GitHub Advisory Database May 1, 2022
Last updated Apr 9, 2025

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(92nd percentile)

Weaknesses

Release of Invalid Pointer or Reference

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. Learn more on MITRE.

CVE ID

CVE-2007-4367

GHSA ID

GHSA-8w89-3rvr-hm3w

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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