Critical severity9.8NVD Advisory· Published Dec 4, 2019· Updated Jun 17, 2026
CVE-2019-11930
CVE-2019-11930
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*range: <3.30.12
- cpe:2.3:a:facebook:hhvm:4.24.0:*:*:*:*:*:*:*
- cpe:2.3:a:facebook:hhvm:4.25.0:*:*:*:*:*:*:*
- cpe:2.3:a:facebook:hhvm:4.26.0:*:*:*:*:*:*:*
- cpe:2.3:a:facebook:hhvm:4.27.0:*:*:*:*:*:*:*
- cpe:2.3:a:facebook:hhvm:4.28.0:*:*:*:*:*:*:*
- cpe:2.3:a:facebook:hhvm:4.28.1:*:*:*:*:*:*:*
- (no CPE)range: <3.30.12, 4.0.0-4.8.5, 4.9.0-4.23.1, =4.24.0, =4.25.0, =4.26.0, =4.27.0, =4.28.0, =4.28.1
- (no CPE)range: 4.28.2
Patches
Vulnerability mechanics
References
3- github.com/facebook/hhvm/commit/524d2e60cfe910406ec6109e4286d7edd545ab36nvdPatch
- hhvm.com/blog/2019/10/28/security-update.htmlnvdVendor Advisory
- www.facebook.com/security/advisories/cve-2019-11930nvdVendor Advisory
News mentions
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