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CVE-2026-125041

Gst-plugins-good: gst-plugins-good: qtdemux out-of-bounds heap read from invalid uncompressed video layout

CVSS 3.1 5.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-125041

Published

A flaw was found in GStreamer's gst-plugins-good MOV/MP4 demuxer. When processing an uncompressed video track, qtdemux fails to validate the declared row alignment and chroma geometry before using them to build a video buffer layout. A crafted file can cause an out-of-bounds heap read while the sample is copied, potentially crashing the application and causing denial of service.

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Affected versions, risk and source history

Exploitation and risk

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cve-program · CVE-2026-125041

Published

Gst-plugins-good: gst-plugins-good: qtdemux out-of-bounds heap read from invalid uncompressed video layout

A flaw was found in GStreamer's gst-plugins-good MOV/MP4 demuxer. When processing an uncompressed video track, qtdemux fails to validate the declared row alignment and chroma geometry before using them to build a video buffer layout. A crafted file can cause an out-of-bounds heap read while the sample is copied, potentially crashing the application and causing denial of service.

Source published
9 Nov 2026 18:16:52 UTC
Source modified
10 Nov 2026 19:11:23 UTC
Saved here
10 Nov 2026 21:21:24 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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Sources read 13 Nov 10:02 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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