CVE-2026-38343: An integer overflow in the libavfilter/vf_scale.c comp
CVE-2026-38343 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-38343 is a vulnerability published by NVD on 8/28/2026.
What happened
An integer overflow in the libavfilter/vf_scale.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.
Affected products and versions
- NVD has not published a normalized affected-product configuration yet.
Severity and weakness
CVSS: N/A . Vector: not available.
Weaknesses: not yet assigned by NVD.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.
Official and supporting references
- No vendor advisory tagged by NVD at draft time.