Debian Libsixel vulnerabilities

CVE-2019-3574 [HIGH] CVE-2019-3574: libsixel - In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2019-20022 [MEDIUM] CVE-2019-20022: libsixel - An invalid memory address dereference was discovered in load_pnm in frompnm.c in... An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-3573 [MEDIUM] CVE-2019-3573: libsixel - In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_i... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2019-19777 [HIGH] CVE-2019-19777: libsixel - stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other produ... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-19637 [CRITICAL] CVE-2019-19637: libsixel - An issue was discovered in libsixel 1.8.2. There is an integer overflow in the f... An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-19778 [HIGH] CVE-2019-19778: libsixel - An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-rea... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-20023 [MEDIUM] CVE-2019-20023: libsixel - A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1... A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-11024 [MEDIUM] CVE-2019-11024: libsixel - The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite ... The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-19638 [CRITICAL] CVE-2019-19638: libsixel - An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-20024 [MEDIUM] CVE-2019-20024: libsixel - A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.... A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-19635 [CRITICAL] CVE-2019-19635: libsixel - An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-20140 [HIGH] CVE-2019-20140: libsixel - An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-20205 [HIGH] CVE-2019-20205: libsixel - libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c. libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2019-20094 [HIGH] CVE-2019-20094: libsixel - An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow... 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. Scope: local bookworm: resolved (fixed in 1.8.6-1) bullseye: resolved (fixed in 1.8.6-1) forky: resolved (fixed in 1.8.6-1) sid: resolved (fixed in 1.8.6-1) trixie: resolved (fixed in 1.8.6-1)

CVE-2018-19762 [HIGH] CVE-2018-19762: libsixel - There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_res... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-

CVE-2018-19761 [MEDIUM] CVE-2018-19761: libsixel - There is an illegal address access at fromsixel.c (function: sixel_decode_raw_im... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2018-19757 [MEDIUM] CVE-2018-19757: libsixel - There is a NULL pointer dereference at function sixel_helper_set_additional_mess... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2018-19759 [MEDIUM] CVE-2018-19759: libsixel - There is a heap-based buffer over-read at stb_image_write.h (function: stbi_writ... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2018-19763 [MEDIUM] CVE-2018-19763: libsixel - There is a heap-based buffer over-read at writer.c (function: write_png_to_file)... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)

CVE-2018-19756 [MEDIUM] CVE-2018-19756: libsixel - There is a heap-based buffer over-read at stb_image.h (function: stbi__tga_load)... 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. Scope: local bookworm: resolved (fixed in 1.8.2-2) bullseye: resolved (fixed in 1.8.2-2) forky: resolved (fixed in 1.8.2-2) sid: resolved (fixed in 1.8.2-2) trixie: resolved (fixed in 1.8.2-2)