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openSUSE 16 Security Update : htmldoc (openSUSE-SU-2026:20219-1)

critical Nessus Plugin ID 299128

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20219-1 advisory.

 Changes in htmldoc:

 - CVE-2024-46478: Fixed buffer overflow when handling tabs through the parse_pre function (bsc#1232380).

 - version update to 1.9.23:
 * Fixed a regression in list handling that caused a crash for empty list items (Issue #553)
 * Fixed a regression in the number of rendered table of contents levels in PDF and PostScript output (Issue #554)

 - version update to 1.9.22:
 * Added a --without-http configure option to build without CUPS HTTP/HTTPS support (Issue #547)
 * Updated HTTP/HTTPS support to work with both CUPS 2.x and 3.x.
 * Updated the maximum image dimension to prevent integer overflow on 32-bit platforms (Issue #550)
 * Updated the HTML parser to correctly report the line number of errors in files with more than 2^32-1 lines (Issue #551)
 * Fixed a crash bug with certain markdown files (Issue #548)
 * Fixed an unrestricted recursion bug when reading and formatting HTML (Issue #552)

 - version update to 1.9.21
 * Updated HTTP/HTTPS connection error reporting to include the reason.
 * Updated markdown parser.
 * Updated the HTTP/HTTPS connection timeout to 5 minutes (Issue #541)
 * Fixed a bug in the new PDF link code (Issue #536)
 * Fixed a bug in the number-up code (Issue #539)
 * Fixed a regression in leading whitespace handling (Issue #540)
 * Fixed a bug in numbered heading support (Issue #543)
 * Fixed a bug with setting the header on the first page (Issue #544)
 * Fixed paths in the HTMLDOC snap (Issue #545)

 - update to 1.9.20:
 * Fix a regression that caused spaces to disappear between some words
 * Fix resolution of relative links within a document

 - includes changes from 1.9.19:
 * Add support for file method in links
 * Update markdown support code to mmd
 * Fix hyperlinks to subfolders
 * Fix export of UTF-8 HTML
 * Fix handling of whitespace-only nodes
 * Fix case sensitivity of link targets

Tenable has extracted the preceding description block directly from the SUSE 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

Update the affected htmldoc package.

See Also

https://www.suse.com/security/cve/CVE-2024-45508

https://bugzilla.suse.com/1232380

https://www.suse.com/security/cve/CVE-2024-46478

Plugin Details

Severity: Critical

ID: 299128

File Name: openSUSE-2026-20219-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/15/2026

Updated: 2/15/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2024-45508

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:htmldoc, cpe:/o:novell:opensuse:16.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/13/2026

Vulnerability Publication Date: 9/1/2024

Reference Information

CVE: CVE-2024-45508, CVE-2024-46478