Description (CNA)
Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Facebook / HHVM | unaffected 4.98.1 before unspecified; affected 4.98.0; unaffected 4.97.1 before unspecified; affected 4.97.0; unaffected 4.96.1 before unspecified; affected 4.96.0; unaffected 4.95.1 before unspecified; affected 4.95.0; unaffected 4.94.1 before unspecified; affected 4.94.0; unaffected 4.93.2 before unspecified; affected 4.81.0 before unspecified; unaffected 4.80.2 before unspecified; affected 4.57.0 before unspecified; unaffected 4.56.3 before unspecified; affected unspecified before 4.56.3 |
CWE
CWE-122
References
- https://hhvm.com/blog/2021/02/25/security-update.html
- https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca
ADP enrichment
No English description supplied.