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CVE-2026-125704

Gstreamer: gstreamer: use-after-free in gstreamer core buffer value deserialization

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-125704

Published

A use-after-free flaw was found in GStreamer core buffer value deserialization. When serialized buffer text contains an invalid character, an error path frees a mapped buffer before unmapping it. Applications that parse untrusted caps or structure data can reach a freed-buffer read and may crash. A network-facing GStreamer Data Protocol receiver can process such caps data without user interaction; further impact has not been established.

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Affected versions, risk and source history

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CVE-2026-125704 · CVE overview and exploitation status

cve-program · CVE-2026-125704

Related changes

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Sources read 12 Nov 19:39 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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