Detections
Analytics

Alpine: multiple giflib packages: security update to 5.2.2-r2

high Tenable Self-Hosted Container Security Plugin ID 446513

Description

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

 - Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via
 the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its
 allocated size. (CVE-2026-26740)

Solution

Update the giflib library and its related packages to version 5.2.2-r2 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-26740

Plugin Details

Severity: High

ID: 446513

Version: Revision 1.1

Type: Local

Published: 8/29/2026

Updated: 8/29/2026

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2026-26740

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-26740