CVE-2023-40889

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

1.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

2023-08-29 00:00Z3 YR AGO

Last updated

2025-11-04 18:16Z11 MO AGO

Reserved

2023-08-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

dc01c13f12bef6b93e59e5b35c48920f7a9474e824795d063fabcbd823302f68

• hackmd.iohttps://hackmd.io/%40cspl/B1ZkFZv23
• lists.debian.org[debian-lts-announce] 20231201 [SECURITY] [DLA 3675-1] zbar security updatehttps://lists.debian.org/debian-lts-announce/2023/12/msg00001.htmlmailing-list
• lists.fedoraproject.orgFEDORA-2024-583e4098b9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP/vendor-advisory
• lists.fedoraproject.orgFEDORA-2024-73d5220ed3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/vendor-advisory
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/