CVE-2017-1000421

9.8 criticalEPSS 2.7%

Critical (9.8). EPSS 2.7% chance of exploitation in the next 30 days.

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

Severity

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2018-01-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19