Vulnerability · Published Jan 12, 2023 · Assigned by redhat
CVE-2022-4743
High 7.5
In plain English
A high-severity memory leak in SDL2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libsdl2 | 2.26.0+dfsg-1 | DEBIAN-CVE-2022-4743 |
| Debian:13 | libsdl2 | 2.26.0+dfsg-1 | DEBIAN-CVE-2022-4743 |
| Debian:14 | libsdl2 | 2.26.0+dfsg-1 | DEBIAN-CVE-2022-4743 |
| Ubuntu:22.04:LTS | libsdl2 | no fix listed | UBUNTU-CVE-2022-4743 |
Affected products (as reported)
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2156290
- https://access.redhat.com/security/cve/CVE-2022-4743
- https://github.com/libsdl-org/SDL/pull/6269
- https://github.com/libsdl-org/SDL/commit/00b67f55727bc0944c3266e2b875440da132ce4b
- [debian-lts-announce] 20230208 [SECURITY] [DLA 3314-1] libsdl2 security update mailing-list
- GLSA-202305-18 vendor-advisory
- https://lists.debian.org/debian-lts-announce/2025/11/msg00024.html