VDB-236984 · CVE-2020-36024 · Issue 1016

Freedesktop Poppler 20.12.1 PDF File convertToType1 denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Freedesktop Poppler 20.12.1. It has been declared as problematic. Affected by this vulnerability is the function FoFiType1C::convertToType1 of the component PDF File Handler. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2020-36024. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Freedesktop Poppler 20.12.1 (Document Reader Software) and classified as problematic. Affected by this issue is the function FoFiType1C::convertToType1 of the component PDF File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::convertToType1 function.

The weakness was shared 08/11/2023 as 1016. The advisory is shared for download at gitlab.freedesktop.org. This vulnerability is handled as CVE-2020-36024 since 01/04/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 235544 (RockyLinux 8 : poppler (RLSA-2024:2979)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (235544). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Document Reader Software

Vendor

Freedesktop

Name

Poppler

Version

20.12.1

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 235544
Nessus Name: RockyLinux 8 : poppler (RLSA-2024:2979)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
08/11/2023 +948 days 🔍
08/11/2023 +0 days 🔍
05/08/2025 +636 days 🔍

Sourcesinfo

Advisory: 1016
Status: Confirmed

CVE: CVE-2020-36024 (🔍)
GCVE (CVE): GCVE-0-2020-36024
GCVE (VulDB): GCVE-100-236984

Entryinfo

Created: 08/11/2023 17:47
Updated: 05/08/2025 08:38
Changes: 08/11/2023 17:47 (41), 09/08/2023 09:59 (11), 05/08/2025 08:38 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.