CVE-2016-6874

The array_*_recursive functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors, related to recursion

published February 17, 2017

CVSS
โ€”
EPSS
2%
Percentile
80.6
In the wild
Unconfirmed
What it is

โš ๏ธ There's a little-known flaw in the array_*_recursive functions of Facebook's HHVM that could lead to mysterious mayhem! ๐ŸŒ€ Think of it like a tangled ball of yarn โ€“ if pulled the wrong way, it could unravel into a chaotic mess, potentially impacting your application without clear signs of trouble. While the exact implications are murky, the potential for unexpected behaviors is there. Attackers could exploit this recursion flaw to initiate strange behaviors in your system, leading to failures or data inconsistencies. It's not catastrophic, but it's definitely something to keep an eye on!

Put simply

Think of it like a tangled ball of yarn โ€“ if pulled the wrong way, it could unravel into a chaotic mess, potentially impacting your application without clear signs of trouble. The array_*_recursive functions in HHVM prior to version 3.15.0 have a recursive processing issue that could allow attackers to manipulate data flow in unpredictable ways, though the exact vectors are unspecified.

What to do

While the exact implications are murky, the potential for unexpected behaviors is there. Attackers could exploit this recursion flaw to initiate strange behaviors in your system, leading to failures or data inconsistencies. It's not catastrophic, but it's definitely something to keep an eye on! Upgrade HHVM to version 3.15.0 or later to mitigate this vulnerability. Regularly review and test your applications for any unusual behavior that could stem from this recursive flaw. Keeping your systems updated will help avoid these kinds of issues! You've got this! With the right updates, you can keep your application safe and sound. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02010 ยท 80.6th percentile
Published
2017-02-17T17:00Z
EPSS history
Timeline
  • 17 FEB 17:00Z
    The array_*_recursive functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors, related to recursion
    cvelistv5