Amazon Linux 2023 Security Advisory: ALAS2023-2026-1912
Advisory Released Date: 2026-07-07
Advisory Updated Date: 2026-07-07
Severity:
Low
Issue Overview:
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. (CVE-2026-57062)
Affected Packages:
gnupg2
Issue Correction:
Run dnf update gnupg2 --releasever 2023.12.20260706 or dnf update --advisory ALAS2023-2026-1912 --releasever 2023.12.20260706 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
gnupg2-minimal-debuginfo-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-smime-debuginfo-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-minimal-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-smime-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-debuginfo-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-debugsource-2.3.7-1.amzn2023.0.9.aarch64
gnupg2-2.3.7-1.amzn2023.0.9.aarch64
src:
gnupg2-2.3.7-1.amzn2023.0.9.src
x86_64:
gnupg2-minimal-debuginfo-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-smime-debuginfo-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-smime-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-minimal-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-debuginfo-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-debugsource-2.3.7-1.amzn2023.0.9.x86_64
gnupg2-2.3.7-1.amzn2023.0.9.x86_64