CWE
119 190 476
Advisory Published

USN-7189-1: HTMLDOC vulnerabilities

First published: Wed Jan 08 2025(Updated: )

It was discovered that HTMLDOC incorrectly handled certain inputs, which could lead to an integer overflow. An attacker could potentially use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-20308) It was discovered that HTMLDOC incorrectly handled memory in pspdf_export, which could lead to a double-free. An attacker could potentially use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-23158) It was discovered that HTMLDOC incorrectly handled memory when loading a JPEG image, which could lead to a NULL pointer dereference. An attacker could potentially use this issue to cause a denial of service. (CVE-2021-23191, CVE-2021-26948) It was discovered that HTMLDOC incorrectly handled certain inputs, which could lead to a stack buffer overflow. An attacker could potentially use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-23206, CVE-2021-40985, CVE-2021-43579) It was discovered that HTMLDOC incorrectly handled memory in pdpdf_prepare_page and render_table_row, which could lead to a heap buffer overflow. An attacker could potentially use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-26252, CVE-2021-26259) It was discovered that HTMLDOC incorrectly handled memory in parse_paragraph, which could lead to a heap buffer overflow. An attacker could potentially use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-34119) It was discovered that HTMLDOC incorrectly handled memory in parse_tree. An attacker could potentially use this issue to leak sensitive information. (CVE-2021-34121)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/htmldoc<1.9.7-1ubuntu0.3+esm1
1.9.7-1ubuntu0.3+esm1
Ubuntu Linux=20.04
All of
ubuntu/htmldoc<1.9.2-1ubuntu0.2+esm1
1.9.2-1ubuntu0.2+esm1
Ubuntu Linux=18.04
All of
ubuntu/htmldoc<1.8.27-8ubuntu1.1+esm2
1.8.27-8ubuntu1.1+esm2
Ubuntu Linux=16.04
All of
ubuntu/htmldoc<1.8.27-8ubuntu1+esm3
1.8.27-8ubuntu1+esm3
Ubuntu Linux=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7189-1?

    The vulnerability USN-7189-1 has a high severity due to the potential for denial of service and arbitrary code execution.

  • How do I fix USN-7189-1?

    To fix USN-7189-1, upgrade to the patched versions of htmldoc as specified in the advisory.

  • What versions of Ubuntu are affected by USN-7189-1?

    USN-7189-1 affects Ubuntu 20.04, 18.04, 16.04, and 14.04 with specified versions of htmldoc.

  • What type of vulnerability is USN-7189-1?

    USN-7189-1 is an integer overflow vulnerability found in htmldoc.

  • Can USN-7189-1 lead to any exploits?

    Yes, USN-7189-1 could potentially allow an attacker to execute arbitrary code or cause a denial of service.

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