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libsixel vulnerabilities and exploits
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9.8
CVSSv3
CVE-2019-19638
An issue exists in libsixel 1.8.2. There is a heap-based buffer overflow in the function load_pnm at frompnm.c, due to an integer overflow.
Libsixel Project Libsixel 1.8.2
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
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
6.5
CVSSv3
CVE-2018-19757
There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.
Libsixel Project Libsixel 1.8.2
5.5
CVSSv3
CVE-2018-19759
There is a heap-based buffer over-read at stb_image_write.h (function: stbi_write_png_to_mem) 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
8.8
CVSSv3
CVE-2020-21548
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Libsixel Project Libsixel 1.8.3
7.5
CVSSv3
CVE-2020-36120
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows malicious users to cause a Denial of Service (DoS).
Libsixel Project Libsixel 1.8.6
6.5
CVSSv3
CVE-2020-21677
A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows malicious users to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.
Libsixel Project Libsixel 1.8.4
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-5248
CVE-2024-3110
CVE-2024-5552
CVE-2024-29415
HTML injection
CVE-2024-3095
TCP
type confusion
CVE-2024-1800
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