Name: CVE-2026-57062: Improper Validation of Specified Quantity in Input
Creator: Rapid7
Published: 2026-06-23T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-57062, CWE-1284, CVSS 2.9, EPSS 0.00149

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.

CVSS Details

CVSS 3.1 Base Score: 2.9
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux_2023	—	Upgrade gnupg2-minimal-debuginfoUpgrade gnupg2Upgrade gnupg2-smime-debuginfoUpgrade gnupg2-smimeUpgrade gnupg2-minimalUpgrade gnupg2-debuginfoUpgrade gnupg2-debugsource	Jul 8, 2026	Jun 23, 2026
Redhat_linux	—	No solution exists	Jul 17, 2026	Jun 23, 2026
Ubuntu	—	Upgrade gpgsm	Sep 14, 2026	Sep 3, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Jul 2, 2026	Jun 23, 2026

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CVSS Details

Covered by Rapid7

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