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CVE-2017-1000421

Published: 2 January 2018

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

From the Ubuntu Security Team

It was discovered that Gifsicle did not properly handle certain input. If a user were tricked into opening a malicious GIF, an attacker could potentially execute arbitrary code.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
gifsicle
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1.90-1)
bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

trusty
Released (1.78-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1.90-1)
xenial
Released (1.88-1ubuntu0.1~esm1)
Available with Ubuntu Pro
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H