Libsixel Project Libsixel vulnerabilities

CVE-2019-20205 [HIGH] CWE-190 CVE-2019-20205: 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.

CVE-2019-20140 [HIGH] CWE-787 CVE-2019-20140: An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif 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-2019-20094 [HIGH] CWE-787 CVE-2019-20094: An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif 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-2019-20056 [MEDIUM] CVE-2019-20056: stb_image stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has an assertion failure in stbi__shiftsigned.

CVE-2019-20022 [MEDIUM] CWE-672 CVE-2019-20022: An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8 An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.

CVE-2019-20023 [MEDIUM] CWE-401 CVE-2019-20023: A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4. A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.

CVE-2019-20024 [MEDIUM] CWE-787 CVE-2019-20024: A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4.

CVE-2019-19777 [HIGH] CWE-125 CVE-2019-19777: stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-base 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 [HIGH] CWE-125 CVE-2019-19778: An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-read in the function lo 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-2019-19637 [CRITICAL] CWE-190 CVE-2019-19637: An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode 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-2019-19636 [CRITICAL] CWE-190 CVE-2019-19636: An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.

CVE-2019-19635 [CRITICAL] CWE-787 CVE-2019-19635: An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function six 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-2019-19638 [CRITICAL] CWE-190 CVE-2019-19638: An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function loa 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-2019-11024 [MEDIUM] CWE-674 CVE-2019-11024: The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion. The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion.

CVE-2019-3574 [HIGH] CWE-125 CVE-2019-3574: In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file l 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-2019-3573 [MEDIUM] CWE-835 CVE-2019-3573: In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_impl() in the file fr 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-2018-19762 [HIGH] CWE-787 CVE-2018-19762: There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8 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-2018-19757 [MEDIUM] CWE-476 CVE-2018-19757: There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in li 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-2018-19756 [MEDIUM] CWE-125 CVE-2018-19756: There is a heap-based buffer over-read at stb_image.h (function: stbi__tga_load) in libsixel 1.8.2 t 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-2018-19761 [MEDIUM] CWE-125 CVE-2018-19761: There is an illegal address access at fromsixel.c (function: sixel_decode_raw_impl) in libsixel 1.8. 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.