PT-2021-8106 · Htmldoc+3 · Htmldoc+3

Dhananjay Arunesh · Published 2021-01-26 · Updated 2025-01-08 · CVE-2021-26252

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions htmldoc version 1.9.12

Description A flaw in htmldoc may lead to a heap buffer overflow in the pspdf prepare page() function, located in ps-pdf.cxx, potentially allowing an attacker to execute arbitrary code and cause a denial of service. The vulnerability is related to a buffer overflow, which can be exploited to access confidential data, compromise data integrity, and disrupt service.

Recommendations For htmldoc version 1.9.12, consider disabling the pspdf prepare page() function as a temporary workaround until a patch is available. Restrict access to the ps-pdf.cxx component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2024-07298

CVE-2021-26252

DLA-2700-1

DSA-4928-1

MGASA-2021-0332

USN-7189-1

Affected Products

Astra Linux

Linuxmint

Ubuntu

Htmldoc

References · 33

• https://ubuntu.com/security/CVE-2021-34119 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-23191 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-26252 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-26252 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26252 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1967009 · Patch
• https://ubuntu.com/security/CVE-2021-26948 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0332.html · Security Note
• https://osv.dev/vulnerability/DSA-4928-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26252 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-26252 · Security Note
• https://bdu.fstec.ru/vul/2024-07298 · Security Note
• https://ubuntu.com/security/CVE-2021-43579 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-26259 · Vendor Advisory