First published: Fri Sep 17 2021(Updated: )
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Libsixel | =1.8.2 |
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CVE-2020-21547 is a vulnerability in Libsixel 1.8.2 that allows for a heap-based buffer overflow.
The severity of CVE-2020-21547 is high, with a severity score of 8.8.
To fix the CVE-2020-21547 vulnerability, update Libsixel to version 1.8.3 or later.
The CWE for CVE-2020-21547 is CWE-119 and CWE-787.
You can find more information about CVE-2020-21547 at the following reference: [GitHub Issue](https://github.com/saitoha/libsixel/issues/114)