libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388

libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876

Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c

Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c

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

An issue was discovered in libsixel 1.8.4

An issue was discovered in libsixel 1.8.4

An issue was discovered in libsixel 1.8.2

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

libsixel: integer overflow in encoder

libsixel: Use-after-free in load_with_gdkpixbuf()

saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow

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

There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact

Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS)

libsixel 1.8.1 has a memory leak in sixel_allocator_new in allocator.c

libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in fromsixel.c

libsixel: Use-after-free in sixel_encoder_encode_bytes()

libsixel: integer overflow in parser

libsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer Overflow

libsixel: Integer overflow leads to Out-of-bounds Read in img2sixel

libsixel: Use-After-Free in load_gif()