### [CVE-2017-8843](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8843) ![](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 The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive. ### POC #### Reference - https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/ - https://github.com/ckolivas/lrzip/issues/69 #### Github - https://github.com/andir/nixos-issue-db-example