CVE-2024-56430

LOWNVD 2.96.5▲Elevated

2.9

OpenFHE through 1.2.3 has a NULL pointer dereference in BinFHEContext::EvalFloor in lib/binfhe-base-scheme.cpp.

CVSS v3: 2.9
EG Score: 6.5(medium)
EPSS: 22.7%
KEV: Not listed

Published

December 25, 2024

Last Modified

April 15, 2026

References (4)

cve@mitrehttps://github.com/UnionTech-Software/openfhe-PoC
cve@mitrehttps://github.com/openfheorg/openfhe-development/blob/7b8346f4eac27121543e36c17237b919e03ec058/src/binfhe/lib/binfhe-base-scheme.cpp#L307-L308
cve@mitrehttps://github.com/openfheorg/openfhe-development/releases/tag/v1.2.3
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/04/25/3

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 16× 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.

2026-06-07 15:24 UTCepss_batch
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2026-06-06 13:46 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
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2026-06-04 02:09 UTCOSV refresh
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch

Frequently asked(5)

What is CVE-2024-56430?

CVE-2024-56430 is a low vulnerability published on December 25, 2024. OpenFHE through 1.2.3 has a NULL pointer dereference in BinFHEContext::EvalFloor in lib/binfhe-base-scheme.cpp.

When was CVE-2024-56430 disclosed?

CVE-2024-56430 was first published in the National Vulnerability Database on December 25, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-56430 actively exploited?

CVE-2024-56430 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-56430?

CVE-2024-56430 has a CVSS v3 base score of 2.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.5.

How do I remediate CVE-2024-56430?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-56430, 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-2024-56430

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-56430?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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