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Search Results (346616 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2019-3573 1 Saitoha 1 Libsixel 2026-04-24 N/A
In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_impl() in the file fromsixel.c, as demonstrated by sixel2png.
CVE-2019-3574 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2020-21548 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
CVE-2022-27046 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
CVE-2022-29978 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
CVE-2018-19756 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2018-19757 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2019-11024 1 Saitoha 1 Libsixel 2026-04-24 N/A
The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion.
CVE-2019-19635 1 Saitoha 1 Libsixel 2026-04-24 9.8 Critical
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function sixel_decode_raw_impl at fromsixel.c.
CVE-2019-19777 2 Nothings, Saitoha 2 Stb Image.h, Libsixel 2026-04-24 8.8 High
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.
CVE-2019-20022 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.
CVE-2019-20094 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_init_frame at fromgif.c.
CVE-2019-20140 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.
CVE-2019-20205 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.
CVE-2020-11721 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
CVE-2020-19668 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
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.
CVE-2020-21048 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
CVE-2020-21050 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.
CVE-2020-21547 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
CVE-2020-21677 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.