SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43086

ARM astcenc 3.2.0 is vulnerable to Buffer Overflow.

CRITICAL 9.8EPSS 1.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.25% probability · 68th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
arm/adaptive scalable texture compression encoder
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.