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Vulnerability record

CVE-2026-75141

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Full record read. Reported values and explicit gaps below come from the tracked record. Tracker data as of: .

What it is

Reported

FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer. When writing an HEVC configuration record with more NAL units of a single type than the count field can represent, the NAL unit count overflows, causing a heap buffer overflow. A crafted HEVC input file triggers the overflow during muxing. Source description excerpt; complete tracked detail loads below.

Source reported · Source: CVE record · Source last published: · Source last updated: · Tracker data as of:

What is affected

Reported

FFmpeg — FFmpeg. Product-level identification only; no affected-version conclusion is available from this field.

Source reported · Source: CVE record · Source last published: · Source last updated: · Tracker data as of:

Urgency and basis

Reported

Track · 116.9

Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated: · Tracker data as of:

Exploitation evidence

Not reported

Not reported by tracked sources.

What to do

Not reported

Not reported by tracked sources.

Tracker inference. Guidance from the decision tier: No action now. Remediate within standard update timelines. Monitor for change.

Evidence detail

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