A vulnerability has been found in libsixel up to 1.8.3 and classified as problematic. This vulnerability affects an unknown function of the file dither.c of the component PNG File Handler. Upgrading to version 1.8.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch cb373ab6614c910407c5e5a93ab935144e62b037 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
libsixel up to 1.8.3 PNG File dither.c denial of service
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