Integer Overflow Vulnerability in Expat Library by libexpat
CVE-2022-23990

7.5HIGH

Key Information:

Vendor: Libexpat Project
Status: Libexpat
Vendor: CVE Published:; 26 January 2022

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👾 Exploit Exists🟡 Public PoC

What is CVE-2022-23990?

The Expat parser, also known as libexpat, has a security flaw due to an integer overflow condition in the doProlog function in versions prior to 2.4.4. This vulnerability could be exploited by attackers to manipulate the parsing process, potentially leading to undefined behaviors or crashes in applications that rely on this library for XML processing.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

external_expat_AOSP10_r33_CVE-2022-23990
Created by Satheesh575555