CVE-2019-13615

Publication date 16 July 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libebml	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life, was needed
	18.04 LTS bionic	Fixed 1.3.5-2ubuntu0.1
	16.04 LTS xenial	Fixed 1.3.3-1ubuntu0.1
	14.04 LTS trusty	Not in release
vlc	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

upstream ticket says this is actually an issue in libebml that was fixed in 1.3.6. marking priority as "low" since a heap-based buffer over-read will likely just result in a crash, not in code execution

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libebml	Upstream: 05beb69 Upstream: ff0dc3c Upstream: b66ca47 Upstream: 534dfdb

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H