CVE-2025-63757

HIGHNVD 7.57.5—

7.5

Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 21.0%
KEV: Not listed

Published

December 18, 2025

Last Modified

December 30, 2025

References (3)

cve@mitrehttps://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20698
cve@mitrehttps://ffmpeg.org/security.html
cve@mitrehttps://gist.github.com/miora-sora/43c1c5616dd5b4f960a9d20296ef4833

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libswscale-ffmpeg3 (7:2.8.17-0ubuntu0.1+esm14) @ xenial	2026-05-29	ubuntu

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.

Weakness Classification(1)

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

CWE-190Integer Overflow or Wraparound

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-7982-1MEDIUM
FFmpeg vulnerabilities

Data Freshness Timeline

(refreshed 14× 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 13:47 UTCepss_batch
2026-06-06 13:47 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:13 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 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 17:18 UTCEG score recompute
2026-05-29 17:18 UTCVendor advisory
2026-05-29 17:18 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-63757?

CVE-2025-63757 is a high vulnerability published on December 18, 2025. Integer overflow vulnerability in the yuv2ya16Xc_template function in libswscale/output.c in FFmpeg 8.0.

When was CVE-2025-63757 disclosed?

CVE-2025-63757 was first published in the National Vulnerability Database on December 18, 2025, with the most recent update on December 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-63757 actively exploited?

CVE-2025-63757 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-63757?

CVE-2025-63757 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-63757?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-63757, 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-2025-63757

Published

Last Modified

References (3)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-63757?

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CVE-2025-63757

📅 Published

🔄 Last Modified

🔗 References (3)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-63757?

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