Detections
Analytics
Debian dsa-6189 : libpng-dev - security update
high Nessus Plugin ID 304554
Synopsis
The remote Debian host is missing one or more security-related updates.Description
The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6189 advisory.- ------------------------------------------------------------------------- Debian Security Advisory DSA-6189-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff March 31, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : libpng1.6 CVE ID : CVE-2026-33416 CVE-2026-33636
Two security vulnerabilities were discovered in libpng, a library implementing an interface for reading and writing PNG (Portable Network Graphics) files, which could result in denial of service or potentially the execution of arbitrary code.
For the oldstable distribution (bookworm), these problems have been fixed in version 1.6.39-2+deb12u4.
For the stable distribution (trixie), these problems have been fixed in version 1.6.48-1+deb13u4.
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 Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: [email protected]
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.See Also
https://security-tracker.debian.org/tracker/source-package/libpng1.6
https://security-tracker.debian.org/tracker/CVE-2026-33416
https://security-tracker.debian.org/tracker/CVE-2026-33636
Plugin Details
Severity: High
ID: 304554
File Name: debian_DSA-6189.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Debian Local Security Checks
Published: 4/1/2026
Updated: 4/1/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.4
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C
CVSS Score Source: CVE-2026-33636
CVSS v3
Risk Factor: High
Base Score: 7.6
Temporal Score: 6.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:libpng16-16-udeb, p-cpe:/a:debian:debian_linux:libpng-tools, p-cpe:/a:debian:debian_linux:libpng16-16, p-cpe:/a:debian:debian_linux:libpng-dev, p-cpe:/a:debian:debian_linux:libpng16-16t64, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 3/31/2026
Vulnerability Publication Date: 3/26/2026
Reference Information
CVE: CVE-2026-33416, CVE-2026-33636