High severity · published Apr 1, 2022
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
8.8
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SD
Simple Directmedia Layer · Libsdl
2.0.0 through 2.0.18 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33657
Patch
https://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9
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
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