Debian dsa-6392 : libtiff-dev - security update

high Nessus Plugin ID 327906

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6392 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6392-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso July 19, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : tiff CVE ID : CVE-2026-12912 Debian Bug : 1141320

A flaw was discovered in tiff, a Tag Image File Format library, which may result in denial of service or the execution of arbitrary code if malformed image files are processed.

For the stable distribution (trixie), this problem has been fixed in version 4.7.0-3+deb13u3.

We recommend that you upgrade your tiff packages.

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

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libtiff-dev packages.

Plugin Details

Severity: High

ID: 327906

File Name: debian_DSA-6392.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 7/20/2026

Updated: 7/20/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.1

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-12912

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libtiff-dev, p-cpe:/a:debian:debian_linux:libtiff-doc, p-cpe:/a:debian:debian_linux:libtiff-opengl, p-cpe:/a:debian:debian_linux:libtiff-tools, p-cpe:/a:debian:debian_linux:libtiff5-dev, p-cpe:/a:debian:debian_linux:libtiff6, p-cpe:/a:debian:debian_linux:libtiffxx6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/19/2026

Vulnerability Publication Date: 6/29/2026

Reference Information

CVE: CVE-2026-12912

IAVA: 2026-A-0670

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