Buffer overflow in Arm Adaptive Scalable Texture Compression Encoder
CVE-2021-43086
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".
Vulnerability class: Buffer Overflow
EPSS: 0.012 (66.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arm Adaptive_scalable_texture_compression_encoder — versions 3.2.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking, Broken Link)
Frequently asked questions
- What is CVE-2021-43086?
- CVE-2021-43086 is a critical-severity vulnerability in Arm Adaptive Scalable Texture Compression Encoder, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-28.
- How severe is CVE-2021-43086?
- Critical severity. CVSS v3 base score is 9.8 out of 10.