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WS-2021-0510

Date: December 29, 2021

Heap-use-after-free in zend_jit_fetch_dim_r_helper in PHP 8.1

Language: C

Severity Score

Related Resources (2)

https://github.com/php/php-src/commit/fd879e6fe47c5d83e9f2e9fd2f72e6b1b548a02a
https://www.mend.io/vulnerability-database/WS-2021-0510

Severity Score

Weakness Type (CWE)

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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