SB2018052243 - Fedora EPEL 6 update for gifsicle



SB2018052243 - Fedora EPEL 6 update for gifsicle

Published: May 22, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018052243
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Double Free (CVE-ID: CVE-2017-18120)

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

A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.


Remediation

Install update from vendor's website.