CVE-2019-7638: High severity libSDL Simple DirectMedia Layer vulnerability

Published Feb 8, 2019
·
Updated

Last updated 25 August 2025

Other sources

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/SDLpixels.c.

— Launchpad

Affected Software

39 affected componentsFixes available
libSDL Simple DirectMedia Layer<=1.2.15
libSDL Simple DirectMedia Layer>=2.0.0<=2.0.9
Debian Debian Linux=8.0
Debian Debian Linux=9.0
openSUSE Leap=15.0
openSUSE Leap=42.3
Fedoraproject Fedora=31
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.04
debian/libsdl1.2
1.2.15+dfsg2-61.2.15+dfsg2-8
debian/libsdl2
2.0.14+dfsg2-3+deb11u12.0.14+dfsg2-3+deb11u22.26.5+dfsg-12.32.4+dfsg-12.32.10+dfsg-6
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r11
1.2.15-r11
alpine/sdl<1.2.15-r8
1.2.15-r8
alpine/sdl<1.2.15-r9
1.2.15-r9
alpine/sdl<1.2.15-r10
1.2.15-r10
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0
alpine/sdl2<2.0.10-r0
2.0.10-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/libsdl1.2 to a version that resolves this vulnerability.

    Fixed in 1.2.15+dfsg2-6Fixed in 1.2.15+dfsg2-8
  2. Upgrade

    Upgrade debian/libsdl2 to a version that resolves this vulnerability.

    Fixed in 2.0.14+dfsg2-3+deb11u1Fixed in 2.0.14+dfsg2-3+deb11u2Fixed in 2.26.5+dfsg-1Fixed in 2.32.4+dfsg-1Fixed in 2.32.10+dfsg-6
  3. Upgrade

    Upgrade alpine/sdl to a version that resolves this vulnerability.

    Fixed in 1.2.15-r11
  4. Upgrade

    Upgrade alpine/sdl to a version that resolves this vulnerability.

    Fixed in 1.2.15-r8
  5. Upgrade

    Upgrade alpine/sdl to a version that resolves this vulnerability.

    Fixed in 1.2.15-r9
  6. Upgrade

    Upgrade alpine/sdl to a version that resolves this vulnerability.

    Fixed in 1.2.15-r10
  7. Upgrade

    Upgrade alpine/sdl2 to a version that resolves this vulnerability.

    Fixed in 2.0.10-r0

Event History

Feb 8, 2019
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·11:29 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·11:29 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-7638?

CVE-2019-7638 is a vulnerability found in SDL (Simple DirectMedia Layer) versions 1.2.15 through 2.0.9.

2

How severe is CVE-2019-7638?

CVE-2019-7638 has a severity rating of 8.8 (high).

3

Which software is affected by CVE-2019-7638?

SDL (Simple DirectMedia Layer) versions 1.2.15 through 2.0.9 are affected by CVE-2019-7638.

4

How can I fix CVE-2019-7638?

To fix CVE-2019-7638, update to the latest version of SDL (Simple DirectMedia Layer) that is not vulnerable.

5

Where can I find more information about CVE-2019-7638?

More information about CVE-2019-7638 can be found at the following references: [CVE-2019-7638](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7638), [SDL Discourse](https://discourse.libsdl.org/t/vulnerabilities-found-in-libsdl-1-2-15/25720), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-4143-1).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203