CVE-2026-30363

HIGHNVD 8.48.4—Elevated

8.4

flipperzero-firmware commit ad2a80 was discovered to contain a stack overflow in the "Main" function.

CVSS v3: 8.4
EG Score: 8.4(high)
EPSS: 4.5%
KEV: Not listed

Published

May 1, 2026

Last Modified

May 5, 2026

Advisory Details (2)

Auto-updated May 1, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic

Potential thread stack overflow in main · Issue #4332 · flipperdevices/flipperzero-firmware · GitHub

https://github.com/flipperdevices/flipperzero-firmware/issues/4332

generic🟡 PoC Available

CVE-2026-30363: Potential Stack Overflow in main (flipperzero-firmware) · GitHub

https://gist.github.com/k6dpvrmm8z-glitch/7db9fb648a18ffcd8600bea436486884

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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Frequently asked(5)

What is CVE-2026-30363?

CVE-2026-30363 is a high vulnerability published on May 1, 2026. flipperzero-firmware commit ad2a80 was discovered to contain a stack overflow in the "Main" function.

When was CVE-2026-30363 disclosed?

CVE-2026-30363 was first published in the National Vulnerability Database on May 1, 2026, with the most recent update on May 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-30363 actively exploited?

CVE-2026-30363 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-30363?

CVE-2026-30363 has a CVSS v3 base score of 8.4 (NVD).

How do I remediate CVE-2026-30363?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30363, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-30363

📅 Published

🔄 Last Modified

📋 Advisory Details (2)