What’s Vulnerable › Vulnerabilities

CVE-2021-43086

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-28 · updated 2026-06-17
• Weakness: CWE-787

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".

Affected products

• Arm Adaptive Scalable Texture Compression Encoder: 3.2.0

References

• https://github.com/ARM-software/astc-encoder/issues/296.
• https://github.com/ARM-software/astc-encoder/issues/296.

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