VDB
CVE-2021-24025
CVE-2021-24025
PUBLISHED
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.
EPSS 0.47% · 64.9th percentile
Risk Scores
EPSS Score
0.47%
64.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | hhvm | 3.11.1+dfsg-1ubuntu1, *, 0 |
| Ubuntu:18.04:LTS | hhvm | *, 0, 3.21.0+dfsg-2ubuntu2 |
Exploit Intelligence
Timeline
- Mar 10, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-24025 third-party-advisory
- https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca third-party-advisory
- https://hhvm.com/blog/2021/02/25/security-update.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-24025 third-party-advisory