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Search Results (346641 CVEs found)

CVE Vendors Products Updated CVSS v3.1
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-2021-46700 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
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-2022-27044 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
CVE-2018-14073 1 Saitoha 1 Libsixel 2026-04-24 N/A
libsixel 1.8.1 has a memory leak in sixel_allocator_new in allocator.c.
CVE-2018-19759 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2018-19761 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2018-19762 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
CVE-2018-19763 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
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-2019-19636 1 Saitoha 1 Libsixel 2026-04-24 9.8 Critical
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.
CVE-2019-19637 1 Saitoha 1 Libsixel 2026-04-24 9.8 Critical
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.
CVE-2019-19638 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 load_pnm at frompnm.c, due to an integer overflow.
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-2019-19778 1 Saitoha 1 Libsixel 2026-04-24 8.8 High
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-read in the function load_sixel at loader.c.