CVE-2023-46960

HIGHNVD 8.68.6—

8.6

Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.

CVSS v3: 8.6
EG Score: 8.6(medium)
EPSS: 81.7%
KEV: Not listed

Published

April 29, 2024

Last Modified

April 15, 2026

References (2)

cve@mitrehttps://github.com/pypxe/PyPXE/issues/206
af854a3a-2127-422b-91ae-364da2661108https://github.com/pypxe/PyPXE/issues/206

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
pip	PyPXE	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
pypxe	1.7 ... 1.8.4 (9 versions)	—	—

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 18× 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.

2026-06-06 13:46 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2023-46960?

CVE-2023-46960 is a high vulnerability published on April 29, 2024. Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.

When was CVE-2023-46960 disclosed?

CVE-2023-46960 was first published in the National Vulnerability Database on April 29, 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-2023-46960 actively exploited?

CVE-2023-46960 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-46960?

CVE-2023-46960 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2023-46960?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-46960, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-46960

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CVE-2023-46960

📅 Published

🔄 Last Modified

🔗 References (2)