CVE-2021-43086: arm adaptive_scalable_texture_compression_encoder Out-of-bounds Write
Vulnerability summary
CVE-2021-43086 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in arm adaptive_scalable_texture_compression_encoder. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 28-02-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundAstc Encoder
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Arm1 product
Ubuntu1 product
- astc-encoderAll versions (No fix recorded)
2 vendors · 2 products
References
3 links- github.com/ARM-software/astc-encoder/issues/296.X Refsource MISCREPORTBroken LinkExploitIssue TrackingThird Party Advisory