cve/2022/CVE-2022-25313.md

### [CVE-2022-25313](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25313)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

### POC

#### Reference
- https://github.com/libexpat/libexpat/pull/558
- https://www.oracle.com/security-alerts/cpuapr2022.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Griggorii/Ubuntu-20.04.2-desktop-amd64_By_Griggorii_linux-image-kernel-5.6.0-oem
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/ShaikUsaf/external_expact_AOSP10_r33_CVE-2022-25313
- https://github.com/Trinadh465/external_expat-2.1.0_CVE-2022-25313
- https://github.com/WhooAmii/POC_to_review
- https://github.com/fokypoky/places-list
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/nidhi7598/expat_2.1.0_G2_CVE-2022-25313
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/trhacknon/Pocingit
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC
- https://github.com/zecool/cve