View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2017-1000421 not yet assigned priority: Debian including 1 source packages (gifsicle), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution