https://seclists.org/oss-sec/2026/q2/110: GNU tar: listing/extraction desynchronization allows hidden file injection

Published Apr 12, 2026
·
Updated

Affected Software

1 affected component
GNU GNU tar
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Frequently Asked Questions

1

What is the severity of CVE-2026-12345?

The severity of CVE-2026-12345 is rated as high due to its potential for hidden file injection.

2

How do I fix CVE-2026-12345?

To fix CVE-2026-12345, update to the latest version of GNU tar where the vulnerability has been patched.

3

What systems are affected by CVE-2026-12345?

CVE-2026-12345 affects various systems using GNU tar for file listing and extraction functionalities.

4

What are the potential impacts of CVE-2026-12345?

The potential impacts of CVE-2026-12345 include unauthorized access and injection of hidden files that may compromise system security.

5

Is CVE-2026-12345 being actively exploited?

At the time of reporting, there have been no confirmed active exploitations of CVE-2026-12345, but it is advisable to apply patches promptly.

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