PT-2021-8108 · Htmldoc+3 · Htmldoc+3

Chibataiki · Published 2021-01-22 · Updated 2025-01-08 · CVE-2021-26948

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 versions 1.9.11 and earlier

Description The issue is related to a null pointer dereference error, which may allow attackers to execute arbitrary code and cause a denial of service via a crafted HTML file. This could potentially lead to unauthorized access to confidential data, disruption of data integrity, and service disruption.

Recommendations For htmldoc versions 1.9.11 and earlier, update to a version later than 1.9.11 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-479

CWE-476

Related Identifiers

BDU:2024-07300

CVE-2021-26948

DLA-2700-1

DSA-4928-1

MGASA-2021-0332

USN-7189-1

Affected Products

Astra Linux

Linuxmint

Ubuntu

Htmldoc

References · 33

• 🔥 https://github.com/michaelrsweet/htmldoc/issues/410 · Exploit
• https://ubuntu.com/security/CVE-2021-34119 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-23191 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-26948 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26948 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• 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://osv.dev/vulnerability/CVE-2021-26948 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-43579 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-26259 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-26948 · Security Note
• https://bdu.fstec.ru/vul/2024-07300 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-26948 · Vendor Advisory