CVE-2025-67897
Underflow in aes_key_unwrap function
5.3
MEDIUM
CVSS 3.1
EPSS 0.30%
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.
How to fix CVE-2025-67897
To remediate CVE-2025-67897, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.1.0 or later
- —upgrade to 2.1.0 or later
Is CVE-2025-67897 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 2.1.0
- >= 0.0.0-0, < 2.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |