Debian dla-4396 : libpng-dev - security update

high Nessus Plugin ID 277605

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4396 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4396-1 [email protected] https://www.debian.org/lts/security/ Tobias Frost December 07, 2025 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : libpng1.6 Version : 1.6.37-3+deb11u1 CVE ID : CVE-2025-64505 CVE-2025-64506 CVE-2025-64720 CVE-2025-65018 CVE-2025-66293 Debian Bug : 1121216 1121217 1121218 1121219 1121877

Multiple vulnerabilties have been found in libpng, the official PNG reference library, allowing information disclosure via out-of-bounds read, denial of service via application crash, or heap corruption with potential for arbitrary code execution.

CVE-2025-64505

Heap buffer over-read in png_do_quantize via malformed palette index.

CVE-2025-64506

Heap buffer over-read in png_write_image_8bit

CVE-2025-64720

Buffer overflow in png_image_read_composite via incorrect palette premultiplication

CVE-2025-65018

Heap buffer overflow in png_combine_row triggered via png_image_finish_read

CVE-2025-66293

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 palette PNG images with partial transparency and gamma correction

For Debian 11 bullseye, these problems have been fixed in version 1.6.37-3+deb11u1.

We recommend that you upgrade your libpng1.6 packages.

For the detailed security status of libpng1.6 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libpng1.6

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libpng-dev packages.

Plugin Details

Severity: High

ID: 277605

File Name: debian_DLA-4396.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/8/2025

Updated: 1/21/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

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

CPE: p-cpe:/a:debian:debian_linux:libpng16-16-udeb, p-cpe:/a:debian:debian_linux:libpng-tools, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libpng16-16, p-cpe:/a:debian:debian_linux:libpng-dev

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/7/2025

Vulnerability Publication Date: 11/24/2025

Reference Information

CVE: CVE-2025-64505, CVE-2025-64506, CVE-2025-64720, CVE-2025-65018, CVE-2025-66293

IAVA: 2025-A-0908-S

Detections

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