CVE-2026-33019 | saitoha libsixel up to 1.8.7-r0 SIXEL Encoder sixel_encoder_do_clip crop out-of-bounds (GHSA-c854-ffg9-g72c)

A vulnerability marked as critical has been reported in saitoha libsixel up to 1.8.7-r0. The affected element is the function sixel_encoder_do_clip of the component SIXEL Encoder. Performing a manipulation of the argument crop results in out-of-bounds read.

This vulnerability is reported as CVE-2026-33019. The attack is possible to be carried out remotely. No exploit exists.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More