CVE-2019-11929
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Facebook Hhvm
PublishedOct 2, 2019
First seenOct 2, 2019
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- facebook hhvm3.30.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook hhvm | v < 3.30.10, 4.0.0 ≤ v ≤ 4.8.5, 4.9.0 ≤ v ≤ 4.18.2, 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0 | 3.30.10 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.