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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Google Chrome — versions 119.0.6045.105
- Debian Linux — versions 11.0, 12.0
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_31.html (Release Notes, Vendor Advisory)
- crbug.com/1493380 (Permissions Required)
- www.debian.org/security/2023/dsa-5546 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- security.gentoo.org/glsa/202311-11 (Third Party Advisory)
- security.gentoo.org/glsa/202312-07 (Third Party Advisory)
- security.gentoo.org/glsa/202401-34
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.