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Search Results (346601 CVEs found)

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-2018-19759 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-2019-19635 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-2019-20022 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-2019-20024 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-2019-20140 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-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-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-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-2020-21547 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-2020-21548 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-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-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-2019-20023 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.