Sublime Text 3 Build 3126 allows user-assisted attackers to cause a denial of service or possibly have unspecified other impact via a crafted .mkv file. One threat model is a victim who obtains an untrusted crafted file from a remote location and issues several user-defined commands, as demonstrated by Ctrl-A, Delete, and Ctrl-Z.

References

• https://nvd.nist.gov/vuln/detail/CVE-2017-8368
• sublimehq/sublime_text#1700
• https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-8368