CVE-2021-43086 describes a critical buffer overflow vulnerability (CWE-787) in ARM astcenc 3.2.0, specifically within the astc-encoder project's compression function when using the -cl option. This flaw, occurring in the encode_ise() function, allows for a stack-based buffer overflow. With a CVSS score of 9.8 (CRITICAL), it presents a high-impact threat (confidentiality, integrity, availability) that can be exploited remotely with low complexity and no user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.2.0CPE matchmatch criteria | cpe:2.3:a:arm:adaptive_scalable_texture_compression_encoder:3.2.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.