CVE-2021-41771: Debian Linux

High severity, CVSS 7.5. EPSS: 4.7% chance of exploitation in the next 30 days.

ImportedSymbols in debug/macho (for Open or OpenFat) in Go before 1.16.10 and 1.17.x before 1.17.3 Accesses a Memory Location After the End of a Buffer, aka an out-of-bounds slice situation.

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 34 only; version 35 only
• Golang Go: before 1.16.10 (fixed in 1.16.10); from 1.17.0, before 1.17.3 (fixed in 1.17.3)

Published 2021-11-08. Last modified 2026-06-17.