CVE-2021-33657

HIGH
Published Apr 1, 20224y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 1, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
libsdlsimple_directmedia_layer*≥2.0.0  –  ≤2.0.18

References 4

  • github.com https://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html
  • security.gentoo.org https://security.gentoo.org/glsa/202305-17
  • security.gentoo.org https://security.gentoo.org/glsa/202305-18

Remediation

  • github.com https://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9
    PatchThird Party Advisory