Detections
Analytics

Echo: libpng1.6: security update to 1.6.48-1+e3

high Tenable Cloud Security Plugin ID 455486

Description

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

 - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable
 Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's
 simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid
 palette PNG images with partial transparency and gamma correction. The PNG files that trigger this
 vulnerability are valid per the PNG specification; the bug is in libpng's internal state management.
 Upgrade to libpng 1.6.52 or later. (CVE-2025-66293)

Solution

Update the libpng1.6 library and its related packages to version 1.6.48-1+e3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-66293

Plugin Details

Severity: High

ID: 455486

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 52.04

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2025-66293

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

Patch Publication Date: 12/7/2025

Vulnerability Publication Date: 12/3/2025

Reference Information

CVE: CVE-2025-66293