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.

The remote host is affected by the vulnerability described in GLSA-202405-07 (HTMLDOC: Multiple Vulnerabilities)

  - Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause     a denial of service that is similar to CVE-2017-9181. (CVE-2021-20308)

  - A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export(),in ps-pdf.cxx may result in     a write-what-where condition, allowing an attacker to execute arbitrary code and denial of service.
    (CVE-2021-23158)

  - A flaw was found in htmldoc before v1.9.12. Heap buffer overflow in pspdf_prepare_outpages(), in ps-     pdf.cxx may lead to execute arbitrary code and denial of service. (CVE-2021-23165)

  - A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c     may lead to execute arbitrary code and denial of service. (CVE-2021-23180)

  - A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function     image_load_jpeg() in image.cxx may result in denial of service. (CVE-2021-23191)

  - A flaw was found in htmldoc in v1.9.12 and prior. A stack buffer overflow in parse_table() in ps-pdf.cxx     may lead to execute arbitrary code and denial of service. (CVE-2021-23206)

  - A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in pspdf_prepare_page(),in ps-pdf.cxx may     lead to execute arbitrary code and denial of service. (CVE-2021-26252)

  - A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in render_table_row(),in ps-pdf.cxx may lead     to arbitrary code execution and denial of service. (CVE-2021-26259)

  - Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code     and cause a denial of service via a crafted html file. (CVE-2021-26948)

  - Buffer overflow vulnerability in write_node in htmldoc through 1.9.11 allows attackers to cause a denial     of service via htmldoc/htmldoc/html.cxx:588. (CVE-2021-33235)

  - Buffer Overflow vulnerability in write_header in htmldoc through 1.9.11 allows attackers to casue a denial     of service via /htmldoc/htmldoc/html.cxx:273. (CVE-2021-33236)

  - A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service     via a crafted BMP image to image_load_bmp. (CVE-2021-40985)

  - A stack-based buffer overflow in image_load_bmp() in HTMLDOC <= 1.9.13 results in remote code execution if     the victim converts an HTML document linking to a crafted BMP file. (CVE-2021-43579)

  - A heap buffer overflow in image_set_mask function of HTMLDOC before 1.9.15 allows an attacker to write     outside the buffer boundaries. (CVE-2022-0137)

  - A vulnerability was found in htmldoc version 1.9.15 where the stack out-of-bounds read takes place in     gif_get_code() and occurs when opening a malicious GIF file, which can result in a crash (segmentation     fault). (CVE-2022-0534)

  - In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily     pointing to heap memory and resulting in a buffer overflow. (CVE-2022-24191)

  - There is a vulnerability in htmldoc 1.9.16. In image_load_jpeg function image.cxx when it calls     malloc,'img->width' and 'img->height' they are large enough to cause an integer overflow. So, the malloc     function may return a heap blosmaller than the expected size, and it will cause a buffer overflow/Address     boundary error in the jpeg_read_scanlines function. (CVE-2022-27114)

  - A flaw was found in htmldoc commit 31f7804. A heap buffer overflow in the function pdf_write_names in ps-     pdf.cxx may lead to arbitrary code execution and Denial of Service (DoS). (CVE-2022-28085)

  - HTMLDoc v1.9.15 was discovered to contain a heap overflow via (write_header)     /htmldoc/htmldoc/html.cxx:273. (CVE-2022-34033)

  - HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node     htmldoc/htmldoc/html.cxx:588. (CVE-2022-34035)

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

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2700 advisory.

    A buffer overflow was discovered in HTMLDOC, a HTML processor that generates indexed HTML, PS, and PDF,     which could potentially result in the execution of arbitrary code. In addition a number of crashes were     addressed. For Debian 9 stretch, these problems have been fixed in version 1.8.27-8+deb9u1. We recommend     that you upgrade your htmldoc packages. For the detailed security status of htmldoc please refer to its     security tracker page at: https://security-tracker.debian.org/tracker/htmldoc Further information about     Debian LTS security advisories, how to apply these updates to your system and frequently asked questions     can be found at: https://wiki.debian.org/LTS

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

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

A buffer overflow was discovered in HTMLDOC, a HTML processor that generates indexed HTML, PS, and PDF, which could potentially result in the execution of arbitrary code. In addition a number of crashes were addressed.

ID	Name	Product	Family	Published	Updated	Severity
213544	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : HTMLDOC vulnerabilities (USN-7189-1)	Nessus	Ubuntu Local Security Checks	1/8/2025	1/8/2025	critical
194977	GLSA-202405-07 : HTMLDOC: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	5/4/2024	5/4/2024	critical
151219	Debian DLA-2700-1 : htmldoc - LTS security update	Nessus	Debian Local Security Checks	7/1/2021	1/24/2025	critical
150706	Debian DSA-4928-1 : htmldoc - security update	Nessus	Debian Local Security Checks	6/11/2021	12/21/2023	critical

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