libsixel
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saitoha
A SIXEL encoder/decoder implementation derived from kmiya's sixel (https://github.com/saitoha/sixel).
***Describe the bug*** There is a reachable assert bug found in stbi__create_png_image_raw, can be triggered via img2sixel+ ASan ***To Reproduce*** compile the program with CFLAGS="-fsanitize=address" CC=clang then run `./img2sixel $POC`...
```` $ sixel2png lolwut.jpg runtime error: integer overflow safe_addition_for_params: ingeger overflow detected. ```` And here's the image that provokes this error.  No, I'm not kidding. I went through a...
For example this image: https://static-cdn.jtvnw.net/emoticons/v2/303330140_BW/default/dark/1.0
## Description ## There is a floating point exception error in sixel_encoder_do_resize, encoder.c:636 in img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG...
## Description ## There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG...
## Description ## There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted jpg file. ## Version ##...
By using valgrind, I found a memory leak in sixel_encoder_encode_bytes. frame is allocated via sixel_frame_new, but never free'd. To fix it, you can change line 1798 to sixel_frame_t *frame =...
Hi, I found a double free or corruption in the current master 6a5be8b, OS: ubuntu 18.04 kernel: 5.4.0-87-generic POC: [poc.zip](https://github.com/saitoha/libsixel/files/7492167/poc.zip)  - gdb ``` ───────────────────────────────────────────────────────────────────────── Registers ────────────────────────────────────────────────────────────────────────── RAX: 0x0 RBX:...
Hi. Great program you have going here! Just a small nitpick with img2gif. When you ctrl+c out of a looping gif the terminal cursor appears above the residual image. Then...
**※日本語版は下にスクロールしてください※** Hello, this project has been forked due to an absent maintainer who has remained absent for over a year. # Problem This project has not been updated in a...
