CVE-2021-33657

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.

References

Affected packages

Git / github.com/libsdl-org/sdl

Affected ranges

Type

GIT

Repo

https://github.com/libsdl-org/sdl

Events

Introduced

1ad936eb29cf4506a7a103e8288d732f23e9c2b0

Last Affected

2e9821423a237a1206e3c09020778faacfe430be

Fixed

8c91cf7dba5193f5ce12d06db1336515851c9ee9

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:libsdl:simple_directmedia_layer:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.0.0"
        },
        {
            "last_affected":  "2.0.18"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33657.json"

vanir_signatures

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vanir_signatures_modified

"2026-07-08T21:27:12Z"