CVE-2019-9719

Published: 19 September 2019

** DISPUTED ** A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf. NOTE: Third parties dispute that this is a vulnerability because “no evidence of a vulnerability is provided” and only “a generic warning from a static code analysis” is provided.

Priority

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package	Release	Status
ffmpeg Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code not present)
	disco	Not vulnerable (code not present)
	eoan	Not vulnerable (code not present)
	focal	Not vulnerable (code not present)
	groovy	Not vulnerable (code not present)
	hirsute	Not vulnerable (code not present)
	impish	Not vulnerable (code not present)
	jammy	Not vulnerable (code not present)
	kinetic	Not vulnerable (code not present)
	lunar	Not vulnerable (code not present)
	mantic	Not vulnerable (code not present)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code not present)
gst-libav1.0 Launchpad, Ubuntu, Debian	bionic	Needs triage
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
qtwebengine-opensource-src Launchpad, Ubuntu, Debian	bionic	Needs triage
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
vice Launchpad, Ubuntu, Debian	bionic	Needs triage
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	8.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

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