vulnerability

Oracle Database: Critical Patch Update - January 2026 (CVE-2025-8194)

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Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 20, 2026
Added
Jan 21, 2026
Modified
Jan 21, 2026

Description

There is a defect in the CPython “tarfile” module affecting the “TarFile” extraction and entry enumeration APIs. The tar implementation would process tar archives with negative offsets without error, resulting in an infinite loop and deadlock during the parsing of maliciously crafted tar archives.

This vulnerability can be mitigated by including the following patch after importing the “tarfile” module:  https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1

Solution

oracle-apply-jan-2026-cpu

References

Title
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