MEDIUM5.3
GHSA-v6x3-9r38-r27q
Sequoia PGP has Subtraction Overflow when aes_key_unwrap function is provided ciphertext that is too short
Details
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
crates.io/sequoia-openpgp
Introduced in:
0Fixed in: 2.1.0Upgrade sequoia-openpgp to 2.1.0 or newer (ecosystem crates.io).
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-67897[ADVISORY]
- https://bugs.debian.org/1122582[WEB]
- https://gitlab.com/sequoia-pgp/sequoia[PACKAGE]
- https://gitlab.com/sequoia-pgp/sequoia/-/blob/b59886e5e7bdf7169ed330f309a6633d131776e5/openpgp/NEWS#L7-L26[WEB]
- https://gitlab.com/sequoia-pgp/sequoia/-/commit/b59886e5e7bdf7169ed330f309a6633d131776e5[WEB]
- https://rustsec.org/advisories/RUSTSEC-2025-0136.html[WEB]