Skip to main content

Podofo CVE-2018-5308

HIGH
NULL Pointer Dereference (CWE-476)
2018-01-09 cve@mitre.org
7.8
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A local attacker with access to the system could crash the application by dereferencing a null pointer. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file. Affected products include: Podofo Project Podofo.

Know when Podofo gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.

Threat Intelligence Overview

EPSS Score
1.3%
Top 33% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 1.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

60
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +39
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:podofo_project:podofo:0.9.5:*:*:*:*:*:*:*

More in Podofo

View all
CVE-2017-8378 CRITICAL POC
9.8 May 01

Heap-based buffer overflow in the PdfParser::ReadObjects function in base/PdfParser.cpp in PoDoFo 0.9.5 allows remote at

CVE-2023-31568 HIGH POC
8.8 May 10

Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component PoDoFo::PdfEncryptRC4::PdfEncryptRC4.

CVE-2023-31567 HIGH POC
8.8 May 10

Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component PoDoFo::PdfEncryptAESV3::PdfEncryptAES

CVE-2023-31566 HIGH POC
8.8 May 10

Podofo v0.10.0 was discovered to contain a heap-use-after-free via the component PoDoFo::PdfEncrypt::IsMetadataEncrypted

CVE-2019-9199 HIGH POC
8.8 Feb 26

PoDoFo::Impose::PdfTranslator::setSource() in pdftranslator.cpp in PoDoFo 0.9.6 has a NULL pointer dereference that can

CVE-2018-19532 HIGH POC
8.8 Nov 26

A NULL pointer dereference vulnerability exists in the function PdfTranslator::setTarget() in pdftranslator.cpp of PoDoF

CVE-2018-8002 HIGH POC
8.8 Mar 09

In PoDoFo 0.9.5, there exists an infinite loop vulnerability in PdfParserObject::ParseFileComplete() in PdfParserObject.

CVE-2018-8000 HIGH POC
8.8 Mar 09

In PoDoFo 0.9.5, there exists a heap-based buffer overflow vulnerability in PoDoFo::PdfTokenizer::GetNextToken() in PdfT

CVE-2025-46205 HIGH POC
8.1 Oct 01

A heap-use-after free in the PdfTokenizer::ReadDictionary function of podofo v0.10.0 to v0.10.5 allows attackers to caus

CVE-2021-30472 HIGH POC
7.8 May 26

A flaw was found in PoDoFo 0.9.7. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low

CVE-2018-12983 HIGH POC
7.8 Jun 29

A stack-based buffer over-read in the PdfEncryptMD5Base::ComputeEncryptionKey() function in PdfEncrypt.cpp in PoDoFo 0.9

CVE-2017-7994 MEDIUM POC
6.5 Apr 21

The function TextExtractor::ExtractText in TextExtractor.cpp:77 in PoDoFo 0.9.5 allows remote attackers to cause a denia

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy