Use After Free
CVE-2021-21119
Summary
Use after free in Media in Google Chrome prior to 88.0.4324.96 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.
- LOW
- NETWORK
- HIGH
- UNCHANGED
- REQUIRED
- NONE
- HIGH
- HIGH
CWE-416 - Use After Free
Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.
Advisory Timeline
- Published