Use After Free in Google Chrome

CVE-2023-5856

Use after free in Side Panel in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Use-After-Free

EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-5856?
CVE-2023-5856 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2023-11-01.
How severe is CVE-2023-5856?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-5856 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.