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Opera 9.64 allows remote attackers to cause a denial of...

Moderate severity Unreviewed Published May 2, 2022 to the GitHub Advisory Database • Updated Apr 9, 2025

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.

References

Published by the National Vulnerability Database Apr 2, 2009
Published to the GitHub Advisory Database May 2, 2022
Last updated Apr 9, 2025

Severity

Moderate

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.
(95th percentile)

Weaknesses

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2009-1234

GHSA ID

GHSA-5mq4-9gv7-3fhj

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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