Foxit PDF Reader AcroForm Doc use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Foxit PDF Reader. It has been declared as critical. This affects an unknown part of the component AcroForm Doc Handler. The manipulation results in use after free. This vulnerability is identified as CVE-2023-51557. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Foxit PDF Reader (Document Reader Software) (version now known). Affected is some unknown processing of the component AcroForm Doc 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. CVE summarizes:

Foxit PDF Reader AcroForm Doc 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-22256.

The weakness was released 12/21/2023 as ZDI-23-1870. The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2023-51557 since 12/20/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

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-23-1870
Status: Confirmed

CVE: CVE-2023-51557 (🔍)
GCVE (CVE): GCVE-0-2023-51557
GCVE (VulDB): GCVE-100-248646

Entryinfo

Created: 12/21/2023 07:44
Updated: 08/13/2025 23:25
Changes: 12/21/2023 07:44 (38), 08/13/2025 23:25 (28)
Complete: 🔍
Cache ID: 216::103

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