CVE-2025-67897

Sequoia: Sequoia: Application crash via crafted encrypted message

Published Dec 14, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
In Sequoia before 2.1.0, aes_key_unwrap panics if passed a ciphertext that is too short. A remote attacker can take advantage of this issue to crash an application by sending a victim an encrypted message with a crafted PKESK or SKESK packet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-v6x3-9r38-r27q Sequoia PGP has Subtraction Overflow when aes_key_unwrap function is provided ciphertext that is too short
History
Type Values Removed Values Added
Title Sequoia: Sequoia: Application crash via crafted encrypted message
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sequoia-pgp
Sequoia-pgp sequoia
Vendors & Products Sequoia-pgp
Sequoia-pgp sequoia
Type Values Removed Values Added
Description In Sequoia before 2.1.0, aes_key_unwrap panics if passed a ciphertext that is too short. A remote attacker can take advantage of this issue to crash an application by sending a victim an encrypted message with a crafted PKESK or SKESK packet.
Weaknesses CWE-195
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 15, 2025, 9:29 PM
Reserved
Dec 14, 2025, 4:35 AM
Status
Deferred
Published
Dec 14, 2025, 5:16 AM
Modified
Oct 14, 2026, 1:10 PM
Severity
Moderate
Public date
Dec 14, 2025, 4:35 AM