Unsafe Deserialization Vulnerability in sblim-sfcb Affects Red Hat Products
CVE-2026-73583

6.6MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
13 August 2026

What is CVE-2026-73583?

A significant flaw has been identified in sblim-sfcb, allowing local attackers to exploit an unsafe deserialization vulnerability within the provider-manager's inter-process communication (IPC) message parsing. By transmitting a specially crafted IPC message, an attacker may trigger out-of-bounds memory access, potentially leading to the termination of the provider-manager process. This exploitation could result in a denial of service and may also permit limited unintended information disclosure, affecting the integrity and availability of the system.

References

https://access.redhat.com/security/cve/CVE-2026-73583
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2462126
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Found by AISLE in partnership with Red Hat.
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