Vulnerability · CVE-2025-63757
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
Published Dec 18, 2025 · catalog updated Dec 18, 2025 · Integer overflow vulnerability in
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-63757. EPSS is 0.38%. Act only if a listed version of Integer overflow vulnerability in is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Integer overflow vulnerability in).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-78845 · Critical
- CVE-2026-107079 · Unknown
- CVE-2026-95168 · High
- CVE-2025-60475 · Medium
- CVE-2025-60494 · Unknown
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.38%
- Remediation
- Advisory link
- Affected products
- vendor n/a n/a n/a
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor n/a n/a n/an/a
How to fix CVE-2025-63757
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-63757. EPSS is 0.38%. Act only if a listed version of Integer overflow vulnerability in is installed.
Which versions are affected?
Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 18, 2025 · EUVD
Detected
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
Dec 18, 2025 · EUVD
Updated
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
Sources
- CVE.orgVulnerability recordCVE-2025-63757
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-63757
30-day exploitation probability 0.38%
first.org - EUVDVulnerability recordEUVD-2025-204282
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgNov 2, 2026
- EUVDNov 1, 2026