The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7189-1 advisory.

    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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

Detections

Analytics

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : HTMLDOC vulnerabilities (USN-7189-1)

critical Nessus Plugin ID 213544

Version 1.2

Version 1.1

Version 1.2 Jan 8, 2025, 3:46 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202501081546
Version 1.1 Jan 8, 2025, 10:03 AM New Plugin Feed: 202501081003