CVE-2025-67897

low-risk
Published 2025-12-14

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.

Do I need to act?

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0.19% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / HIGH complexity
23
/ 100
low-risk
Severity 17/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal