CVE-2019-11935
Critical
Description
Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory. 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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Facebook Hhvm
PublishedDec 4, 2019
First seenDec 4, 2019
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- facebook hhvm3.30.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook hhvm | v < 3.30.12, 4.0.0 ≤ v ≤ 4.8.5, 4.9.0 ≤ v ≤ 4.23.1, 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, 4.28.1 | 3.30.12 |
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