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Vulnerability record · CVE-2019-12221 · published 20 May 2019

CVE-2019-12221: Libsdl sdl2 image out-of-bounds write vulnerability

Libsdl · Sdl2 Image

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.

6.5 CVSS 3.1 Medium EPSS 2.0% · top 20.4% CWE-787 · Out-of-bounds write
6.5CVSS 3.1 base score, v2 4.3
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
16References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00012.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00029.html Mailing ListThird Party Advisory
https://bugzilla.libsdl.org/show_bug.cgi?id=4628 ExploitIssue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00021.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00026.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6FDFPYUJ7YPY3XB5U75VJ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ2VRD57UOBT72JUC2DIFHE
https://usn.ubuntu.com/4238-1/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00012.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00029.html Mailing ListThird Party Advisory
https://bugzilla.libsdl.org/show_bug.cgi?id=4628 ExploitIssue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00021.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00026.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6FDFPYUJ7YPY3XB5U75VJ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ2VRD57UOBT72JUC2DIFHE
https://usn.ubuntu.com/4238-1/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-12221), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.