Уязвимость функции read_gif программного обеспечения для просмотра GIF-файлов gifview пакета программ для создания, редактирования и оптимизации GIF-файлов Gifsicle, позволяющая нарушителю выполнить произвольный код

Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution

A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.

Gifsicle v1.9.3 was discovered to contain a heap buffer overflow via the ambiguity_error component at /src/clp.c.

gifsicle-1.94 was found to have a floating point exception (FPE) vulnerability via resize_stream at src/xform.c.