CVE-2026-63279
Announced: Sep 21, 2026
Fixed in: LibreOffice 26.2.5
Description:
LibreOffice can import PICT images, which may be embedded in documents.
An out of bounds read existed when importing an image that uses a colour palette. The palette index held in the image data was used without being checked against the number of entries the palette has, so an index past the last entry read memory outside the palette.
In fixed versions the palette index is limited to the entries present.
All users are recommended to upgrade to LibreOffice >= 26.2.5 to avoid this problem.
Credits:
Thanks to Himanshu Anand for reporting this issue.
Thanks to Caolán McNamara of Collabora Productivity for providing the fix.
References:
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