An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58. A specially crafted HTTP request can cause a stack overflow resulting in remote code execution. An attacker can send a special HTTP request to the vulnerable server to trigger this vulnerability.
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0392
https://www.debian.org/security/2017/dsa-3929
https://access.redhat.com/errata/RHSA-2017:2459
http://www.securityfocus.com/bid/100258