CVE-2019-11929
CRITICALHHVM <3.30.10, <4.8.5, <4.18.2, <4.19.0-4.20.2 - RCE
Title source: llmDescription
Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.
References (3)
Core 3
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/facebook/hhvm/commit/dbeb9a56a638e3fdcef8b691c2a2967132dae692
Vendor Advisory x_refsource_confirm
https://hhvm.com/blog/2019/09/25/security-update.html
Third Party Advisory x_refsource_confirm
https://www.facebook.com/security/advisories/cve-2019-11929
Scores
CVSS v3
9.8
EPSS
0.0473
EPSS Percentile
89.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (9)
facebook/hhvm
4.19.0
facebook/hhvm
4.19.1
facebook/hhvm
4.20.0
facebook/hhvm
4.20.1
facebook/hhvm
4.20.2
facebook/hhvm
4.21.0
facebook/hhvm
4.22.0
facebook/hhvm
4.23.0
facebook/hhvm
< 3.30.10
Published
Oct 02, 2019
Tracked Since
Feb 18, 2026