CVE-2022-4743

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-12 · updated 2026-06-17
Weakness: CWE-401

Description

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.

Affected products

Libsdl Simple Directmedia Layer: from 2.0.4 before 2.26.0 — fixed in 2.26.0
Red Hat Enterprise Linux: 9.0

How to fix

Upgrade to a fixed version: Libsdl Simple Directmedia Layer 2.26.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2022-4743
https://bugzilla.redhat.com/show_bug.cgi?id=2156290
https://github.com/libsdl-org/SDL/commit/00b67f55727bc0944c3266e2b875440da132ce4b
https://github.com/libsdl-org/SDL/pull/6269
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html
https://security.gentoo.org/glsa/202305-18
https://access.redhat.com/security/cve/CVE-2022-4743
https://bugzilla.redhat.com/show_bug.cgi?id=2156290
https://github.com/libsdl-org/SDL/commit/00b67f55727bc0944c3266e2b875440da132ce4b
https://github.com/libsdl-org/SDL/pull/6269
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html
https://lists.debian.org/debian-lts-announce/2025/11/msg00024.html

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