CVE-2019-11930 (NVD)

2019-12-04

An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

Products Hhvm
Type Release of Invalid Pointer or Reference (CWE-763)
First patch - None (likely due to unavailable code)
Patches https://github.com/facebook/hhvm/commit/524d2e60cfe910406ec6109e4286d7edd545ab36
Links https://hhvm.com/blog/2019/10/28/security-update.html
https://www.facebook.com/security/advisories/cve-2019-11930