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CVE-2019-12221

23
FAUCET Score

CVE-2019-12221 describes a segmentation fault (SEGV) in the SDL_free_REAL function within libSDL2.a (Simple DirectMedia Layer 2.0.9) when used with libSDL2_image.a (SDL2_image 2.0.4), affecting various Linux distributions and the libsdl project. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.4CPE matchmatch criteria
cpe:2.3:a:libsdl:sdl2_image:2.0.4:*:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:a:libsdl:simple_directmedia_layer:2.0.9:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.97%
Probability of exploitation in next 30 days
EPSS Percentile
78.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0197 is in the 89th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-12221Low

SDL: null-pointer dereference in function SDL_free_REAL in stdlib/SDL_malloc.c

May 20, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-09/msg00012.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-09/msg00029.html
Mailing ListThird Party Advisory
bugzilla.libsdl.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
lists.debian.org / debian-lts-announce/2019/07/msg00021.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/07/msg00026.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GY6FDFPYUJ7YPY3XB5U75VJHBSVRVIKO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/WJ2VRD57UOBT72JUC2DIFHEFCH4N64SW
usn.ubuntu.com / 4238-1
Third Party Advisory