CVE-2026-51221

highCVSS 7.5covered by 1 sourcefirst seen 2026-06-29

A buffer overflow in the Get_Attribute_List function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service (DoS) via supplying a crafted Common Packet Format (CPF) packet.

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Exploitation outlook

Low exploitation risk0.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-51221: A buffer overflow in the Get_Attribute_List function of EIPStackGroup OpENer commit 76b95c all…nvd · 2026-06-29

External references

NVD record for CVE-2026-51221

CVE.org record

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