CVE-2021-26252

HIGH

Published Feb 24, 20224y ago · Modified Jun 17, 20262w ago

7.8 CVSS 3.1

High

Published Feb 24, 2022 4y ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

7.8

Exploitability

1.8

Impact

5.9

Vector string

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector Local

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

No Known Exploit

Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 3

Vendor	Product	Version	Range
htmldoc_project	htmldoc	1.9.12	any
redhat	enterprise_linux	7.0	any
fedoraproject	fedora	34	any

References 1

bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1967009

Issue TrackingPatchThird Party Advisory

Remediation

bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1967009

Issue TrackingPatchThird Party Advisory