# 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.

CVE-2022-4743 is fixed in libsdl2 on 1 platform, first by DEBIAN-CVE-2022-4743, released January 12, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-4743
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0132
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 12, 2023
- Weakness: Missing Release of Memory after Effective Lifetime
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-4743

## Description

libsdl2 - security update

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libsdl2 Debian 11.6 (bullseye) | 2.0.14+dfsg2-3+deb11u2 | [DLA-4382-1](https://patchblox.com/security/data/fix/linux/dla-4382-1.md) | Nov 25, 2025 |
| Linux | libsdl2 Debian 12.15 (bookworm) | 2.26.0+dfsg-1 | [DEBIAN-CVE-2022-4743](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4743.md) | Jan 12, 2023 |
| Linux | libsdl2 Debian 13.5 (trixie) | 2.26.0+dfsg-1 | [DEBIAN-CVE-2022-4743](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4743.md) | Jan 12, 2023 |
| Linux | libsdl2 Debian 14 | 2.26.0+dfsg-1 | [DEBIAN-CVE-2022-4743](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4743.md) | Jan 12, 2023 |

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