A vulnerability has been reported in Tk, which can potentially be exploited by malicious people to compromise an application using the library.
The vulnerability is caused due to a boundary error when processing GIF images within the "ReadImage()" function in tkImgGIF.c. This can be exploited to cause a stack-based buffer overflow via a specially crafted GIF image.
Successful exploitation may allow execution of arbitrary code.
The vulnerability is reported in versions prior to 8.5.1.
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