Critical severity · published Feb 28, 2022
CVE-2021-43086
ARM astcenc 3.2.0 is vulnerable to Buffer Overflow
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
ARM astcenc 3.2.0 is vulnerable to Buffer Overflow. When the compression function of the astc-encoder project with -cl option was used, a stack-buffer-overflow occurred in function encode_ise() in function compress_symbolic_block_for_partition_2planes() in "/Source/astcenc_compress_symbolic.cpp".
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
Affected product
AS
Adaptive Scalable Texture Compression Encoder
Arm
More from Adaptive Scalable Texture Compression Encoder
7.8
CVE-2021-44331
ARM astcenc 3.2.0 is vulnerable to Buffer Overflow in function encode_ise()