CVE-2019-7638

Publication date 8 February 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Map1toN in video/SDL_pixels.c.

From the Ubuntu Security Team

USN-4143-1 addressed serveral vulnerabilities in SDL 2.0. This update provides the corresponding fixes for Ubuntu 14.04 ESM.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libsdl1.2	19.10 eoan	Not affected
	19.04 disco	Ignored end of life
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 1.2.15+dfsg2-0.1ubuntu0.1
	16.04 LTS xenial	Fixed 1.2.15+dfsg1-3ubuntu0.1
	14.04 LTS trusty	Fixed 1.2.15-8ubuntu1.1+esm1
libsdl2	19.10 eoan	Not affected
	19.04 disco	Fixed 2.0.9+dfsg1-1ubuntu1.19.04.1
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 2.0.8+dfsg1-1ubuntu1.18.04.4
	16.04 LTS xenial	Fixed 2.0.4+dfsg1-2ubuntu2.16.04.2
	14.04 LTS trusty	Fixed 2.0.2+dfsg1-3ubuntu1.3

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Patch details

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

Package	Patch details
libsdl1.2	Upstream: https://hg.libsdl.org/SDL/rev/19d8c3b9c251
libsdl2	Upstream: https://hg.libsdl.org/SDL/rev/07c39cbbeacf

Severity score breakdown

Parameter	Value
Base score	8.8 · High
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