giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c.
gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O4RLSFGPBPR3FMIUJCWPGVIYIU35YGQX/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPNBOB65TEA4ZEPLVENI26BY4LEX7TEF/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5WO6WL2TCGO6T4VKGACDIVSZI74WJAU/
sourceforge.net/p/giflib/bugs/166/