MuPDF 1.21.1 PDF File pdf_mark_list_push recursion

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in MuPDF 1.21.1. It has been rated as problematic. This vulnerability affects the function pdf_mark_list_push of the component PDF File Handler. This manipulation causes recursion. This vulnerability is tracked as CVE-2023-31794. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic was found in MuPDF 1.21.1 (Document Reader Software). Affected by this vulnerability is the function pdf_mark_list_push of the component PDF File Handler. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability. The summary by CVE is:

MuPDF v1.21.1 was discovered to contain an infinite recursion in the component pdf_mark_list_push. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

The weakness was disclosed 10/31/2023. It is possible to read the advisory at bugs.ghostscript.com. This vulnerability is known as CVE-2023-31794 since 04/29/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying the patch c0015401693b58e2deb5d75c39f27bc1216e47c6 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36085). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c0015401693b58e2deb5d75c39f27bc1216e47c6

Timelineinfo

04/29/2023 🔍
10/31/2023 +185 days 🔍
10/31/2023 +0 days 🔍
12/28/2025 +789 days 🔍

Sourcesinfo

Advisory: bugs.ghostscript.com
Status: Confirmed

CVE: CVE-2023-31794 (🔍)
GCVE (CVE): GCVE-0-2023-31794
GCVE (VulDB): GCVE-100-244027
EUVD: 🔍

Entryinfo

Created: 10/31/2023 07:44
Updated: 12/28/2025 07:08
Changes: 10/31/2023 07:44 (40), 11/24/2023 11:03 (11), 12/28/2025 07:08 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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