Foxit PDF Reader AcroForm Doc Object use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Foxit PDF Reader. Impacted is an unknown function of the component AcroForm Doc Object Handler. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2023-51549. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit PDF Reader (Document Reader Software) (affected version not known). It has been classified as critical. This affects some unknown functionality of the component AcroForm Doc Object Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Doc objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21867.

The weakness was shared 12/21/2023 as ZDI-23-1863. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-51549 since 12/20/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

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License

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2023 🔍
12/21/2023 +1 days 🔍
12/21/2023 +0 days 🔍
08/13/2025 +601 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: ZDI-23-1863
Status: Confirmed

CVE: CVE-2023-51549 (🔍)
GCVE (CVE): GCVE-0-2023-51549
GCVE (VulDB): GCVE-100-248649

Entryinfo

Created: 12/21/2023 07:45
Updated: 08/13/2025 20:29
Changes: 12/21/2023 07:45 (38), 08/13/2025 20:29 (37)
Complete: 🔍
Cache ID: 216::103

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