Note:
This project will be discontinued after December 13, 2021. [more]
2019-10-02
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.
| Products | Hhvm |
| Type | Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) |
| First patch | - None (likely due to unavailable code) |
| Links |
• https://github.com/facebook/hhvm/commit/dbeb9a56a638e3fdcef8b691c2a2967132dae692
• https://www.facebook.com/security/advisories/cve-2019-11929 • https://hhvm.com/blog/2019/09/25/security-update.html |