CVE-2025-59463

MEDIUMNVD 4.34.3—Trending — 3 sources updated this week

4.3

An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 22.8%
KEV: Not listed

Published

October 27, 2025

Last Modified

November 3, 2025

References (6)

Weakness Classification(1)

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

CWE-833

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 20:14 UTCEG score recompute
2026-05-29 20:14 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-59463?

CVE-2025-59463 is a medium vulnerability published on October 27, 2025. An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.

When was CVE-2025-59463 disclosed?

CVE-2025-59463 was first published in the National Vulnerability Database on October 27, 2025, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-59463 actively exploited?

CVE-2025-59463 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-59463?

CVE-2025-59463 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2025-59463?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-59463, 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-2025-59463

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CVE-2025-59463

📅 Published

🔄 Last Modified

🔗 References (6)