CVE-2019-12221 Memory corruption in n/a

What is CVE-2019-12221?

CVE-2019-12221 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 May 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

An issue was discovered in libSDL2.a in Simple DirectMedia Layer (SDL) 2.0.9 when used in conjunction with libSDL2_image.a in SDL2_image 2.0.4. There is a SEGV in the SDL function SDL_free_REAL at stdlib/SDL_malloc.c.

Weakness: CWE-787

Which versions are affected by CVE-2019-12221?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Libsdl Sdl2 Image, Libsdl Simple Directmedia Layer, Opensuse Backports Sle and 1 more.

How do I fix CVE-2019-12221?

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-2019-12221 being exploited?

There is no known exploitation of CVE-2019-12221 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-2019-12221, DEBIAN-CVE-2019-12221, GHSA-257r-jcrh-66cp, UBUNTU-CVE-2019-12221.