CVE-2026-73583Medium· 6.6▾ SunlitA flaw was found in sblim-sfcb. A local attacker with access to the system can exploit an unsafe deserialization vulnerability in the provider-manager's inter-process communication (IPC) message parsing. By sending a specially crafted me…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 36.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
A flaw was found in sblim-sfcb. A local attacker with access to the system can exploit an unsafe deserialization vulnerability in the provider-manager's inter-process communication (IPC) message parsing. By sending a specially crafted message, the attacker can cause out-of-bounds memory access, leading to the termination of the provider-manager process and a denial of service. This could also potentially result in limited unintended information disclosure.
sblim-sfcb (all versions)sblim-sfcbsblim-sfcb (all versions)sblim-sfcb (all versions)sblim-sfcb (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
To mitigate this issue, restrict access to the local connect socket used by sblim-sfcb to prevent untrusted local users from obtaining the internal provider-manager descriptor. Deployments where only trusted users can reach this socket will have materially reduced exposure. Consult your system's documentation for appropriate methods to secure local IPC channels and socket permissions for the sblim-sfcb service. A restart of the sfcbd service may be required for changes to take effect, which could temporarily disrupt services relying on sblim-sfcb.
Connected by shared product, vendor, weakness, or advisory.
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