CVE-2023-6509

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 62.5% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-12-06 01:19Z2 YR AGO

Last updated

2025-02-13 17:26Z1 YR AGO

Reserved

2023-12-04

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

38eb80e7a930dc6aea1ad5e0f187558a0d6c499bf477c299e2319975e6700d45

• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2023/12/stable-channel-update-for-desktop.html
• crbug.comhttps://crbug.com/1494565
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MMHY76AWPA46MAFXPWDGJX6FEGXZVR5Z/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RI3UHCTFH6KWAJGDZ2TOLT6VHKW53WCC/
• www.debian.orghttps://www.debian.org/security/2023/dsa-5573
• security.gentoo.orghttps://security.gentoo.org/glsa/202401-34