VULNERABILITY INTELLIGENCE

CVE-2021-30472

CVSS score7.8 HIGH

EPSS probability0.76%

CISA KEVNot currently listed

Published2021-05-26

Last modified2026-06-17

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

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.

Weakness classification

patrick@puiterwijk.org: CWE-119
nvd@nist.gov: CWE-787

Primary references

patrick@puiterwijk.org — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory