Detections
Analytics

Echo: giflib: security update to 5.2.2-1

high Tenable Cloud Security Plugin ID 459383

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger
 an out of memory exception or denial of service via a gif format file. (CVE-2021-40633)

Solution

Update the giflib library and its related packages to version 5.2.2-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2021-40633

Plugin Details

Severity: High

ID: 459383

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-40633

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 6/14/2022

Reference Information

CVE: CVE-2021-40633