High severity7.5NVD Advisory· Published Aug 23, 2022· Updated Jun 17, 2026

CVE-2022-24298

Description

All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeOpcUa/freeopcua2 versions
cpe:2.3:a:freeopcua:freeopcua:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:freeopcua:freeopcua:-:*:*:*:*:*:*:*
- (no CPE)
freeopcua/freeopcuadescription

Patches

Vulnerability mechanics

References

github.com/FreeOpcUa/freeopcua/issues/391nvdIssue TrackingThird Party Advisory
security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720nvdThird Party Advisory

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