poppler-utils PDFunite 0.41.0 PDF File XRef::getEntry buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in poppler-utils PDFunite 0.41.0. It has been rated as critical. The impacted element is the function XRef::getEntry of the component PDF File Handler. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2018-25306. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in poppler-utils PDFunite 0.41.0. It has been classified as problematic. This affects the function XRef::getEntry of the component PDF File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. The summary by CVE is:

PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.

The weakness was presented by Hamm3r.py as 44490. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-25306 since 04/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/29/2026 CVE reserved
04/30/2026 +1 days Advisory disclosed
04/30/2026 +0 days VulDB entry created
04/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 44490
Researcher: Hamm3r.py
Status: Not defined

CVE: CVE-2018-25306 (🔒)
GCVE (CVE): GCVE-0-2018-25306
GCVE (VulDB): GCVE-100-360213
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/30/2026 06:37
Changes: 04/30/2026 06:37 (81)
Complete: 🔍
Cache ID: 216::103

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