cve/2019/CVE-2019-20838.md

### [CVE-2019-20838](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20838)
![](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

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/PajakAlexandre/wik-dps-tp02
- https://github.com/brandoncamenisch/release-the-code-litecoin
- https://github.com/cdupuis/image-api
- https://github.com/dispera/giant-squid
- https://github.com/domyrtille/interview_project
- https://github.com/epequeno/devops-demo
- https://github.com/flexiondotorg/CNCF-02
- https://github.com/fokypoky/places-list
- https://github.com/garethr/snykout
- https://github.com/nedenwalker/spring-boot-app-using-gradle
- https://github.com/nedenwalker/spring-boot-app-with-log4j-vuln
- https://github.com/onzack/trivy-multiscanner
- https://github.com/yeforriak/snyk-to-cve