CVE-2021-24025 | BDVDB-2026-150262 Detail

Description#

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.

Impact#

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References#

Exploit#

History#

1. Version 12021-03-10Record published in the CVE List.
2. Version 22024-08-03Most recent update recorded in the CVE List.