# 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.

CVE-2026-57062 is fixed in 25 products on 1 platform, first by dirmngr 2.4.4-2ubuntu17.6, released June 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-57062
- Priority: Routine
- CVSS: 2.9 (Low)
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 23, 2026
- Weakness: Improper Validation of Specified Quantity in Input
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57062

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dirmngr Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [dirmngr 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dirmngr-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | dirmngr Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [dirmngr 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-dirmngr-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gnupg 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gnupg-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gnupg Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gnupg 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gnupg-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg-agent Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gnupg-agent 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gnupg-agent-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gnupg-agent Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gnupg-agent 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gnupg-agent-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg-l10n Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gnupg-l10n 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gnupg-l10n-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gnupg-l10n Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gnupg-l10n 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gnupg-l10n-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg-utils Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gnupg-utils 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gnupg-utils-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gnupg-utils Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gnupg-utils 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gnupg-utils-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg2 Debian 14 | 2.4.9-5 | [DEBIAN-CVE-2026-57062](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57062.md) | Jun 29, 2026 |
| Linux | gnupg2 Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gnupg2 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gnupg2-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gnupg2 Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gnupg2 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gnupg2-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gnupg2 amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-debuginfo amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-debugsource amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-minimal amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-minimal-debuginfo amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-smime amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gnupg2-smime-debuginfo amzn 2023 | 2.3.7-1.amzn2023.0.9 | [ALAS2023-2026-1912](https://patchblox.com/security/data/fix/linux/alas2023-2026-1912.md) | Jul 6, 2026 |
| Linux | gpg Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpg 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpg-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpg Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpg 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpg-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpg-agent Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpg-agent 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpg-agent-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpg-agent Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpg-agent 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpg-agent-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpg-wks-client Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpg-wks-client 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpg-wks-client-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpg-wks-client Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpg-wks-client 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpg-wks-client-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpg-wks-server Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpg-wks-server 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpg-wks-server-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpg-wks-server Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpg-wks-server 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpg-wks-server-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpg2 opensuse-leap 16.0 | 2.5.5-160000.6.1 | [OPENSUSE-SU-2026:21385-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21385-1.md) | Jul 20, 2026 |
| Linux | gpg2 sles 15.7 | 2.4.4-150600.3.18.1 | [SUSE-SU-2026:3243-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3243-1.md) | Jul 24, 2026 |
| Linux | gpg2 sles 16.0 | 2.5.5-160000.6.1 | [SUSE-SU-2026:22825-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22825-1.md) | Jul 20, 2026 |
| Linux | gpgconf Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpgconf 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpgconf-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpgconf Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpgconf 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpgconf-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpgsm Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpgsm 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpgsm-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpgsm Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpgsm 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpgsm-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpgv Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpgv 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpgv-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpgv Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpgv 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpgv-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpgv-static Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpgv-static 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpgv-static-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | gpgv-static Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [gpgv-static 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gpgv-static-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | gpgv-win32 Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [gpgv-win32 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gpgv-win32-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | keyboxd Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [keyboxd 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-keyboxd-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | scdaemon Ubuntu 24.04.5 LTS (noble) | 2.4.4-2ubuntu17.6 | [scdaemon 2.4.4-2ubuntu17.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-scdaemon-2.4.4-2ubuntu17.6.md) | Jun 23, 2026 |
| Linux | scdaemon Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [scdaemon 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-scdaemon-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |
| Linux | tpm2daemon Ubuntu 26.04.1 LTS (resolute) | 2.4.8-4ubuntu3.1 | [tpm2daemon 2.4.8-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-tpm2daemon-2.4.8-4ubuntu3.1.md) | Jun 23, 2026 |

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