Detections
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Debian dsa-6138 : libpng-dev - security update
high Nessus Plugin ID 299347
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-6138 advisory.- ------------------------------------------------------------------------- Debian Security Advisory DSA-6138-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff February 17, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : libpng1.6 CVE ID : CVE-2026-25646
A buffer overflow was 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), this problem has been fixed in version 1.6.39-2+deb12u3. This update also includes two additional security fixes (CVE-2026-22801 and CVE-2026-22695), which had been lined up for the next Bookworm point release.
For the stable distribution (trixie), this problem has been fixed in version 1.6.48-1+deb13u3. This update also includes two additional security fixes (CVE-2026-22801 and CVE-2026-22695), which had been lined up for the next Trixie point release.
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://packages.debian.org/source/bookworm/libpng1.6
https://packages.debian.org/source/trixie/libpng1.6
https://security-tracker.debian.org/tracker/CVE-2026-22695
Plugin Details
Severity: High
ID: 299347
File Name: debian_DSA-6138.nasl
Version: 1.1
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 2/18/2026
Updated: 2/18/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-25646
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.3
Threat Score: 7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
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 Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/17/2026
Vulnerability Publication Date: 1/12/2026