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libsixel vulnerabilities and exploits
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8.8
CVSSv3
CVE-2019-19778
An issue exists in libsixel 1.8.2. There is a heap-based buffer over-read in the function load_sixel at loader.c.
Libsixel Project Libsixel 1.8.2
5.5
CVSSv3
CVE-2018-19756
There is a heap-based buffer over-read at stb_image.h (function: stbi__tga_load) in libsixel 1.8.2 that will cause a denial of service.
Libsixel Project Libsixel 1.8.2
5.5
CVSSv3
CVE-2018-19761
There is an illegal address access at fromsixel.c (function: sixel_decode_raw_impl) in libsixel 1.8.2 that will cause a denial of service.
Libsixel Project Libsixel 1.8.2
7.8
CVSSv3
CVE-2018-19762
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.
Libsixel Project Libsixel 1.8.2
5.5
CVSSv3
CVE-2018-19763
There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.
Libsixel Project Libsixel 1.8.2
6.5
CVSSv3
CVE-2020-19668
Unverified indexs into the array lead to out of bound access in the gif_out_code function in fromgif.c in libsixel 1.8.6.
Libsixel Project Libsixel 1.8.6
8.8
CVSSv3
CVE-2019-20140
An issue exists in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.
Libsixel Project Libsixel 1.8.4
6.5
CVSSv3
CVE-2021-46700
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
Libsixel Project Libsixel 1.8.6
7.5
CVSSv3
CVE-2018-14072
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 Project Libsixel 1.8.1
7.5
CVSSv3
CVE-2018-14073
libsixel 1.8.1 has a memory leak in sixel_allocator_new in allocator.c.
Libsixel Project Libsixel 1.8.1
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereference
CVE-2023-52689
CVE-2024-23803
client side
CVE-2023-52696
information disclosure
CVE-2024-35843
CVE-2024-27130
CVE-2023-52697
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