Medium severity · published Dec 14, 2025
CVE-2025-67897
In Sequoia before 2.1.0, aes_key_unwrap panics if passed a ciphertext that is too short
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
sequoia · sequoia-pgp
before 2.1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-67897
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-67897
bugs.debian.org
https://bugs.debian.org/1122582
gitlab.com
https://gitlab.com/sequoia-pgp/sequoia/-/blob/b59886e5e7bdf7169ed330f309a6633d131776e5/openpgp/NEWS#L7-L26
gitlab.com
https://gitlab.com/sequoia-pgp/sequoia/-/commit/b59886e5e7bdf7169ed330f309a6633d131776e5
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