Compiler removal of buffer clearing in
sli_crypto_transparent_aead_decrypt_tag
in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)