Azure Linux 3.0 Security Update: fltk (CVE-2016-9843)

critical Nessus Plugin ID 296164

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of fltk installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2016-9843 advisory.

- The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation. (CVE-2016-9843)

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

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2016-9843

Plugin Details

Severity: Critical

ID: 296164

File Name: azure_linux_CVE-2016-9843.nasl

Version: 1.1

Type: local

Published: 1/22/2026

Updated: 1/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2016-9843

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:fltk, p-cpe:/a:microsoft:azure_linux:fltk-debuginfo, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:fltk-fluid, p-cpe:/a:microsoft:azure_linux:fltk-devel, p-cpe:/a:microsoft:azure_linux:fltk-static

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AzureLinux/release, Host/AzureLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2025

Vulnerability Publication Date: 12/4/2016

Reference Information

CVE: CVE-2016-9843