CVE-2023-6865 - CVE House
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Status published Unknown CVE-2023-6865

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue...

Vulnerability Description

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jan Varga

References

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Affected Vendor

Affected Software

Firefox ESR, Firefox
Vulnerable Versions:
unspecified

Timeline

Official Publish: December 19th, 2023
Last Modified: February 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.