Libsixel Security Vulnerabilities
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.
7.5CVSS
7.4AI Score
0.001EPSS
7.5CVSS
7.3AI Score
0.001EPSS
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.
5.5CVSS
5.5AI Score
0.001EPSS
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.
6.5CVSS
6.4AI Score
0.001EPSS
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.
5.5CVSS
5.5AI Score
0.001EPSS
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.
5.5CVSS
5.4AI Score
0.001EPSS
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.
7.8CVSS
8AI Score
0.001EPSS
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.
5.5CVSS
5.5AI Score
0.001EPSS
The load_pnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion.
5.5CVSS
5.5AI Score
0.001EPSS
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.
9.8CVSS
9.7AI Score
0.003EPSS
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.
9.8CVSS
9.6AI Score
0.002EPSS
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.
9.8CVSS
9.6AI Score
0.002EPSS
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.
9.8CVSS
9.6AI Score
0.003EPSS
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.
8.8CVSS
8.7AI Score
0.002EPSS
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.
8.8CVSS
8.7AI Score
0.002EPSS
An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.
6.5CVSS
6.4AI Score
0.001EPSS
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
6.5CVSS
6.3AI Score
0.001EPSS
A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4.
6.5CVSS
6.6AI Score
0.001EPSS
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.
8.8CVSS
8.9AI Score
0.002EPSS
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.
8.8CVSS
8.9AI Score
0.003EPSS
8.8CVSS
8.8AI Score
0.002EPSS
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.
5.5CVSS
5.5AI Score
0.001EPSS
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.
7.8CVSS
7.6AI Score
0.002EPSS
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.
6.5CVSS
6.3AI Score
0.001EPSS
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.
6.5CVSS
6.3AI Score
0.001EPSS
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.
6.5CVSS
6.1AI Score
0.003EPSS
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
6.5CVSS
6.1AI Score
0.003EPSS
Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.
6.5CVSS
6.6AI Score
0.002EPSS
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
8.8CVSS
8.9AI Score
0.002EPSS
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
8.8CVSS
8.9AI Score
0.002EPSS
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.
6.5CVSS
6.5AI Score
0.001EPSS
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
7.5CVSS
7.4AI Score
0.001EPSS
8.8CVSS
8.6AI Score
0.002EPSS
8.8CVSS
9AI Score
0.003EPSS
In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
6.5CVSS
6.1AI Score
0.001EPSS
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
6.5CVSS
6.4AI Score
0.001EPSS
8.8CVSS
8.7AI Score
0.002EPSS
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
8.8CVSS
8.6AI Score
0.003EPSS
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
5.5CVSS
5.4AI Score
0.001EPSS
There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
6.5CVSS
6.2AI Score
0.001EPSS
There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
6.5CVSS
6.2AI Score
0.001EPSS