TI-2026-32536 CVE-2026-44636
libsixel: integer overflow in encoder
Priority HIGH 69
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
saitoha
Records49All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical4CVSS 9.0–10.0
CVSS high21CVSS 7.0–8.9
Exploited now
saitoha records in CISA KEVNo saitoha vulnerabilities are listed in CISA KEV.
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49 records
Priority HIGH 69
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
TI-2026-32537 CVE-2026-44637
libsixel: integer overflow in parser
Priority HIGH 66
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
TI-2026-25466 CVE-2026-33020
libsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer Overflow
Priority HIGH 66
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
TI-2026-25464 CVE-2026-33018
libsixel: Use-After-Free in load_gif()
Priority HIGH 66
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
Priority HIGH 65
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
Priority MEDIUM 64
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
TI-2026-74095 CVE-2026-110601 · GHSA-5j3r-7cc6-965h
Heap out-of-bounds write in libsixel via crafted GIF
Priority MEDIUM 59
libsixel before 1.8.7-r1 and 1.9.0 through 1.10.5 contains a heap out-of-bounds write vulnerability in gif_init_frame() in src/fromgif.c, which never checks the GIF transparent color index against the palette size.
TI-2025-08524 CVE-2025-9300 · GHSA-m23p-3g32-h722
saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow
Priority MEDIUM 55
A vulnerability was found in saitoha libsixel up to 1.10.3.
TI-2025-37936 CVE-2025-61146 · GHSA-75j9-8g79-fp7r
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
Priority MEDIUM 52
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
TI-2026-32538 CVE-2026-44638
libsixel: NULL pointer dereference
Priority MEDIUM 46
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel.
TI-2019-14151 CVE-2019-19637 · GHSA-whrv-w3fp-5gf4
An issue was discovered in libsixel 1.8.2.
Priority MEDIUM 45
An issue was discovered in libsixel 1.8.2.
TI-2019-14150 CVE-2019-19636 · GHSA-7m84-qcqm-rgjv
An issue was discovered in libsixel 1.8.2.
Priority MEDIUM 45
An issue was discovered in libsixel 1.8.2.
TI-2019-14152 CVE-2019-19638 · GHSA-m4mr-53v8-pj7x
An issue was discovered in libsixel 1.8.2.
Priority MEDIUM 44
An issue was discovered in libsixel 1.8.2.
TI-2019-14149 CVE-2019-19635 · GHSA-8qpr-v8hf-4323
An issue was discovered in libsixel 1.8.2.
Priority MEDIUM 44
An issue was discovered in libsixel 1.8.2.
TI-2019-14253 CVE-2019-19778 · GHSA-72pv-4f7x-ghhf
An issue was discovered in libsixel 1.8.2.
Priority MEDIUM 41
An issue was discovered in libsixel 1.8.2.
TI-2019-14252 CVE-2019-19777 · GHSA-6rrw-8mq7-2wvv
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has…
Priority MEDIUM 41
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
TI-2022-10232 CVE-2022-27046 · GHSA-h333-v9mv-m6g4
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
Priority MEDIUM 40
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
TI-2022-10231 CVE-2022-27044 · GHSA-78w2-pfx8-62cp
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
Priority MEDIUM 40
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
TI-2020-14094 CVE-2020-21548 · GHSA-rqxx-8p8c-6h26
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Priority MEDIUM 40
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
TI-2020-14093 CVE-2020-21547 · GHSA-29q2-x88c-692h
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
Priority MEDIUM 40
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
TI-2019-14568 CVE-2019-20205 · GHSA-3hx6-cm77-2752
libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.
Priority MEDIUM 40
libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.
TI-2019-14518 CVE-2019-20140 · GHSA-hr32-jp44-cgm5
An issue was discovered in libsixel 1.8.4.
Priority MEDIUM 40
An issue was discovered in libsixel 1.8.4.
TI-2019-14503 CVE-2019-20094 · GHSA-chrg-f3r7-pjcq
An issue was discovered in libsixel 1.8.4.
Priority MEDIUM 40
An issue was discovered in libsixel 1.8.4.
TI-2019-02639 CVE-2019-3574 · GHSA-p3xv-xh73-gw2r
In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in…
Priority LOW 36
In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.