CVE-2021-24025
CVE-2021-24025
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.8 · Critical · EPSS 1.7% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
hhvm
- Versions
- ≥ 4.98.1, < unspecified: Not affected (custom)
- 4.98.0: Affected
- ≥ 4.97.1, < unspecified: Not affected (custom)
- 4.97.0: Affected
- ≥ 4.96.1, < unspecified: Not affected (custom)
- 4.96.0: Affected
- ≥ 4.95.1, < unspecified: Not affected (custom)
- 4.95.0: Affected
- ≥ 4.94.1, < unspecified: Not affected (custom)
- 4.94.0: Affected
- ≥ 4.93.2, < unspecified: Not affected (custom)
- ≥ 4.81.0, < unspecified: Affected (custom)
- ≥ 4.80.2, < unspecified: Not affected (custom)
- ≥ 4.57.0, < unspecified: Affected (custom)
- ≥ 4.56.3, < unspecified: Not affected (custom)
- ≥ unspecified, < 4.56.3: Affected (custom)
Update to 4.56.3
hhvm Ubuntu:16.04:LTS
- Versions
- 3.11.0+dfsg-1
- 3.11.1+dfsg-1
- 3.11.1+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
hhvm Ubuntu:18.04:LTS
- Versions
- 3.21.0+dfsg-2
- 3.21.0+dfsg-2build1
- 3.21.0+dfsg-2build2
- 3.21.0+dfsg-2build3
- 3.21.0+dfsg-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published