### [CVE-2017-5445](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5445) ![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue) ![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue) ![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2045.9%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2052.1%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2053%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Uninitialized%20values%20used%20while%20parsing%20application%2Fhttp-index-format%20content&color=brighgreen) ### Description A vulnerability while parsing "application/http-index-format" format content where uninitialized values are used to create an array. This could allow the reading of uninitialized memory into the arrays affected. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. ### POC #### Reference - https://www.mozilla.org/security/advisories/mfsa2017-12/ #### Github No PoCs found on GitHub currently.