CVE-2021-33657

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory gentoo.org Vendor Advisory gentoo.org
Affected: n/a SDL2
Published at:
Updated at:

References

Link Tags
https://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9 third party advisory patch
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html mailing list
https://security.gentoo.org/glsa/202305-18 vendor advisory
https://security.gentoo.org/glsa/202305-17 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33657?
CVE-2021-33657 has been scored as a high severity vulnerability.
How to fix CVE-2021-33657?
To fix CVE-2021-33657, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33657 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33657 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33657?
CVE-2021-33657 affects n/a SDL2.
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