CVE-2021-30472

HIGH

Published May 26, 20215y ago · Modified Jun 17, 20262w ago

7.8 CVSS 3.1

High

Published May 26, 2021 5y ago

Last Modified Jun 17, 2026 2w ago

Description

A flaw was found in PoDoFo 0.9.7. A stack-based buffer overflow in PdfEncryptMD5Base::ComputeOwnerKey function in PdfEncrypt.cpp is possible because of a improper check of the keyLength value.

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

Public Exploit Known

Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

Vendor	Product	Version	Range
podofo_project	podofo	0.9.7	any

References 1

bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1947458

ExploitIssue TrackingPatchThird Party Advisory

Remediation

bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1947458

ExploitIssue TrackingPatchThird Party Advisory