Stack Exhaustion Vulnerability in Expat Library by libexpat
CVE-2022-25313

6.5MEDIUM

Key Information:

Vendor: Libexpat Project
Status: Libexpat
Vendor: CVE Published:; 18 February 2022

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👾 Exploit Exists🟡 Public PoC

What is CVE-2022-25313?

In the Expat library, prior to version 2.4.5, a vulnerability exists that allows an attacker to induce stack exhaustion by leveraging a high nesting depth within DTD elements. This can lead to application instability and potential denial of service, as the excessive depth causes the stack to overflow. Users of the affected versions are strongly recommended to update to the patched version to mitigate this risk.

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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_expact_AOSP10_r33_CVE-2022-25313
Created by ShaikUsaf

external_expat-2.1.0_CVE-2022-25313
Created by Trinadh465