CVE-2019-7638 Memory corruption in n/a

What is CVE-2019-7638?

CVE-2019-7638 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 8 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2019-7638?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Libsdl Simple Directmedia Layer, Opensuse Leap.

How do I fix CVE-2019-7638?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-7638 being exploited?

There is no known exploitation of CVE-2019-7638 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-7638, DEBIAN-CVE-2019-7638, GHSA-gq9f-wp2w-q86x, UBUNTU-CVE-2019-7638.