CVE-2023-2426

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 34.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-24.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2023-04-29 00:00Z3 YR AGO

Last updated

2024-10-15 16:28Z2 YR AGO

Reserved

2023-04-29

Assigning CNA

@huntr_ai

Record state

PUBLISHED

Severity

Medium (CVSS 6.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Weaknesses

• CWE-823Use of Out-of-range Pointer OffsetBase

Data version

5.1

Document digest

4b3dbb9939edb4b11b791f07f1d8dccef4a019d5199731712dd13707923c7db2

• huntr.devhttps://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
• github.comhttps://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b
• lists.fedoraproject.orgFEDORA-2023-d6baa1d93ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-99d2eaac80https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/vendor-advisory
• support.apple.comhttps://support.apple.com/kb/HT213844
• support.apple.comhttps://support.apple.com/kb/HT213845