CVE-2022-4743

A potential memory leak issue was discovered in SDL2 in GLES_CreateTexture() function in SDL_render_gles.c. The vulnerability allows an attacker to cause a denial of service attack. The vulnerability affects SDL2 v2.0.4 and above. SDL-1.x are not affected.

Published: 2023-01-12 Last update: 2025-11-25 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-4743 is rated Low Risk (33.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-4743

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-16 0.06% 0.04% -0.02%
2 2025-11-21 0.88% 0.06% -0.82%
3 2025-11-18 0.88%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-4743

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-4743

OS Trackers for CVE-2022-4743

vendor priority summary link
alpine CVE-2022-4743: 1 source package rows (sdl2); 17 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 0, open 17. https://security.alpinelinux.org/vuln/CVE-2022-4743
debian not yet assigned CVE-2022-4743 not yet assigned priority: Debian including 1 source packages (libsdl2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-4743
gentoo normal CVE-2022-4743: 1 GLSA(s) (202305-18), 1 atom(s) (media-libs/libsdl2); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-4743
redhat medium https://access.redhat.com/security/cve/CVE-2022-4743
suse medium CVE-2022-4743 severity moderate: SUSE including 24 source package names (SDL, SDL2, …), 157 product×package rows across 59 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (59 product lines)): Known Not Affected 125, Fixed 32. https://www.suse.com/security/cve/CVE-2022-4743/
ubuntu low CVE-2022-4743 low priority: Ubuntu including 1 source packages (libsdl2), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 6, needed 5, ignored 1, released 1. https://ubuntu.com/security/CVE-2022-4743

Affected software / configurations for CVE-2022-4743

Vendor Product Version Raw CPE
libsdl simple_directmedia_layer >= 2.0.4, < 2.26.0 cpe:2.3:a:libsdl:simple_directmedia_layer:*:*:*:*:*:*:*:*
redhat enterprise_linux 9.0 cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

References for CVE-2022-4743

cvelogic Threat Intelligence