Filtered by vendor Saitoha Subscriptions
Filtered by product Libsixel Subscriptions
Total 45 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2018-14072 1 Saitoha 1 Libsixel 2026-04-24 N/A
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.
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-2018-19756 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-2018-19759 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-2018-19763 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-2019-19637 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-2019-19778 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.
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-2019-20023 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
CVE-2019-20024 1 Saitoha 1 Libsixel 2026-04-24 6.5 Medium
A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4.
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-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-2020-21677 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.
CVE-2020-36120 1 Saitoha 1 Libsixel 2026-04-24 7.5 High
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
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-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-2019-3574 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-2025-61146 1 Saitoha 1 Libsixel 2026-04-23 4 Medium
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.