Vulnerability · Published Feb 28, 2022 · Assigned by mitre

CVE-2021-43086

Critical 9.8

In plain English

A critical-severity security flaw in the astc-encoder package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 30.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSastc-encoderno fix listedUBUNTU-CVE-2021-43086
Ubuntu:24.04:LTSastc-encoderno fix listedUBUNTU-CVE-2021-43086
Ubuntu:25.10astc-encoderno fix listedUBUNTU-CVE-2021-43086
Ubuntu:26.04:LTSastc-encoderno fix listedUBUNTU-CVE-2021-43086
Ubuntu:26.10astc-encoderno fix listedUBUNTU-CVE-2021-43086

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References