CVE-2023-5633

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total 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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 20.6% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2023-10-23 21:58Z2 YR AGO

Last updated

2026-02-25 18:18Z6 MO AGO

Reserved

2023-10-18

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-911Improper Update of Reference CountBase
• CWE-416Use After FreeVariant

Data version

5.2

Document digest

1cb3550b354e7aca269f4e64f055e560673eab04b55d6e3924fed7544be4af99

• access.redhat.comRHSA-2024:0113https://access.redhat.com/errata/RHSA-2024:0113vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:0134https://access.redhat.com/errata/RHSA-2024:0134vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:0461https://access.redhat.com/errata/RHSA-2024:0461vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:1404https://access.redhat.com/errata/RHSA-2024:1404vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:4823https://access.redhat.com/errata/RHSA-2024:4823vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:4831https://access.redhat.com/errata/RHSA-2024:4831vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-5633vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2245663https://bugzilla.redhat.com/show_bug.cgi?id=2245663issue-trackingx_refsource_REDHAT