Main Vulnerability Database Vulnerabilities #VU37719

Use-after-free in Debian Linux - CVE-2017-1000421

Published: January 2, 2018 / Updated: August 8, 2020

Vulnerability identifier: #VU37719

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-1000421

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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

Debian Linux
Fedora
gifsicle

Install update from vendor's website.

gifsicle - addressed in versions 1.90-1.el6, 1.90-1.el7, 1.90-1.fc26