Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-57062: CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | gnupg2 | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-debuginfo | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-debugsource | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-minimal | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-minimal-debuginfo | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-smime | 0:2.3.7-1.amzn2023.0.9 |
| Amazon Linux · 2023 | gnupg2-smime-debuginfo | 0:2.3.7-1.amzn2023.0.9 |
Vulnerabilities 1
-
Low 2.9CVE-2026-57062 Public exploit
CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM becau…
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2026-57062.html