There is a NULL pointer dereference at function sixelhelpersetadditionalmessage (status.c) in libsixel 1.8.2 that will cause a denial of service.
There is an illegal address access at fromsixel.c (function: sixeldecoderawimpl) in libsixel 1.8.2 that will cause a denial of service.
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-read in the function loadsixel at loader.c.
stbimage.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbiloadmain.
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function sixeldecoderawimpl at fromsixel.c.
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixeldecoderawimpl at fromsixel.c.
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixelencodebody at tosixel.c.
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function loadpnm at frompnm.c, due to an integer overflow.
Libsixel 1.8.2 contains a heap-based buffer overflow in the ditherfuncfs function in tosixel.c.
The loadpnm function in frompnm.c in libsixel.a in libsixel 1.8.2 has infinite recursion.
In libsixel v1.8.2, there is a heap-based buffer over-read in the function loadjpeg() in the file loader.c, as demonstrated by img2sixel.
In libsixel v1.8.2, there is an infinite loop in the function sixeldecoderawimpl() in the file fromsixel.c, as demonstrated by sixel2png.
There is a heap-based buffer over-read at stbimagewrite.h (function: stbiwritepngtomem) in libsixel 1.8.2 that will cause a denial of service.
There is a heap-based buffer over-read at stbimage.h (function: stbitgaload) in libsixel 1.8.2 that will cause a denial of service.
There is a heap-based buffer overflow at fromsixel.c (function: imagebufferresize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.
There is a heap-based buffer over-read at writer.c (function: writepngtofile) in libsixel 1.8.2 that will cause a denial of service.