VDB-288869 · CVE-2024-49576 · TALOS-2024-2093

Foxit Reader 2024.3.0.26795 Checkbox CBF_Widget Object use after free

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Foxit Reader 2024.3.0.26795. It has been rated as critical. This impacts an unknown function of the component Checkbox CBF_Widget Object Handler. The manipulation leads to use after free. This vulnerability is traded as CVE-2024-49576. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Foxit Reader 2024.3.0.26795 and classified as critical. This issue affects an unknown function of the component Checkbox CBF_Widget Object Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A use-after-free vulnerability exists in the way Foxit Reader 2024.3.0.26795 handles a checkbox CBF_Widget object. A specially crafted Javascript code inside a malicious PDF document can trigger this vulnerability, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

The advisory is shared at talosintelligence.com. The identification of this vulnerability is CVE-2024-49576 since 10/16/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 213090 (Foxit PDF Reader < 2024.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (213090). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Document Reader Software

Vendor

Foxit

Name

Reader

Version

2024.3.0.26795

License

free

Website

Vendor: https://www.foxitsoftware.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

CNA Base Score: 8.8
CNA Vector (talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 213090
Nessus Name: Foxit PDF Reader < 2024.4 Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/16/2024 🔍
12/18/2024 +63 days 🔍
12/18/2024 +0 days 🔍
08/26/2025 +250 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: TALOS-2024-2093
Status: Confirmed

CVE: CVE-2024-49576 (🔍)
GCVE (CVE): GCVE-0-2024-49576
GCVE (VulDB): GCVE-100-288869

Entryinfo

Created: 12/18/2024 17:38
Updated: 08/26/2025 00:29
Changes: 12/18/2024 17:38 (63), 12/31/2024 16:12 (2), 02/17/2025 03:34 (3), 02/28/2025 17:55 (1), 02/28/2025 17:59 (5), 08/26/2025 00:29 (2)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.