CVE-2019-7635

Description

SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.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
libsdl2-image	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Ignored end of life
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Fixed 2.0.0+dfsg-3+deb8u2build0.14.04.1~esm1
libsdl1.2	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	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	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	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
sdl-image1.2	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Ignored end of life
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 1.2.12-8ubuntu0.1
	16.04 LTS xenial	Fixed 1.2.12-5+deb9u1ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 1.2.12-5+deb9u1ubuntu0.14.04.1~esm1

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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
libsdl2-image	Upstream: https://hg.libsdl.org/SDL_image/rev/03bd33e8cb49
libsdl1.2	Upstream: https://hg.libsdl.org/SDL/rev/08f3b4992538 Upstream: https://hg.libsdl.org/SDL/rev/4646533663ae
libsdl2	Upstream: https://hg.libsdl.org/SDL/rev/7c643f1c1887
sdl-image1.2	Upstream: https://hg.libsdl.org/SDL_image/rev/a3a7cac00d5f

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4156-2
SDL vulnerabilities
16 October 2019

USN-4156-1
SDL vulnerabilities
15 October 2019

USN-4143-1
SDL 2.0 vulnerabilities
30 September 2019

USN-4238-1
SDL_image vulnerabilities
14 January 2020

Cvss 3 Severity Score