What’s Vulnerable › Vulnerabilities

CVE-2026-57062

• Severity: low (CVSS 2.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-23 · updated 2026-06-25
• Weakness: CWE-1284

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.

Affected products

• GnuPG: through 2.5.20

References

• https://blog.calif.io/p/how-to-format-a-ciphertext
• https://www.gnupg.org/download/

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