CVE-2026-33021

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a use-after-free vulnerability in sixelencoderencodebytes because sixelframeinit stores the caller-owned pixel buffer pointer directly in frame-pixels without making a defensive copy...

CVE-2026-33021 libsixel: Use-after-free in sixel_encoder_encode_bytes()

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a use-after-free vulnerability in sixelencoderencodebytes because sixelframeinit stores the caller-owned pixel buffer pointer directly in frame-pixels without making a defensive copy...

Linux Distros Unpatched Vulnerability : CVE-2019-20205

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libsixel 1.8.4 has an integer overflow in sixelframeresize in frame.c. CVE-2019-20205 Note that Nessus relies on the presence of the package as reported by the...

DEBIAN-CVE-2019-20205

libsixel 1.8.4 has an integer overflow in sixelframeresize in frame.c...

UBUNTU-CVE-2019-20205

libsixel 1.8.4 has an integer overflow in sixelframeresize in frame.c...

Libsixel Integer Overflow Vulnerability

libsixel is a SIXEL encoder/decoder implementation. An integer overflow vulnerability exists in sixelframeresize in frame.c in libsixel 1.8.4. No detailed vulnerability details are provided at this time...