CVE-2021-33657 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00096.

Key SSVC decision points have not yet been added.

Vendors	Products
Libsdl	Simple Directmedia Layer

Configuration 1 [-]

cpe:2.3:a:libsdl:simple_directmedia_layer:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-3314-1	libsdl2 security update
EUVD	EUVD-2021-20334	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.
Ubuntu USN	USN-5398-1	Simple DirectMedia Layer vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00083}`	epss `{'score': 0.00086}`

MITRE

Status: PUBLISHED

Assigner: openEuler

Published: 2022-04-01T00:00:00

Updated: 2024-08-03T23:58:22.435Z

Reserved: 2021-05-28T00:00:00

Link: CVE-2021-33657

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-04-01T23:15:10.363

Modified: 2024-11-21T06:09:17.713

Link: CVE-2021-33657

Redhat

No data.

OpenCVE Enrichment

No data.

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