### [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