Unfortunately, the latest versions of VLC have a security flaw according to a report from Luigi Auriemma. The vulnerability can be exploited to compromise a user’s system, as it leaves it wide open for a malicious user to run arbitrary code.

The problem occurs when a someone loads a subtitle file, which causes a buffer overflow that can be exploited. The security flaw is platform independent, which means it affects Windows, Mac and Linux users.

Initially it was reported that the flaws in version 0.8.6d were fixed in the latest release, but this turns out not to be the case. Auriemma writes: “The old buffer-overflow in the subtitles handled by VLC has not been fully patched in version 0.8.6e.”

“The funny thing is that my old proof-of-concept was built just to test this specific buffer-overflow and in fact it works on the new VLC version too without modifications,” he adds.

For now, the only solutions are not to run any subtitle files, or to grab one of the nightly builds. The downside is, however, that these might not be as stable as the regular releases.

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