Signed to Unsigned Conversion Error Affecting sequoia-openpgp package, versions <2.1.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RUST-SEQUOIAOPENPGP-14413725
- published14 Dec 2025
- disclosed14 Dec 2025
- creditJan Różański
Introduced: 14 Dec 2025
CVE-2025-67897 (opens in a new tab)How to fix?
Upgrade sequoia-openpgp to version 2.1.0 or higher.
Overview
sequoia-openpgp is a This crate aims to provide a complete implementation of OpenPGP as defined by RFC 4880 as well as some extensions (e.g., RFC 6637, which describes ECC cryptography for OpenPGP. This includes support for unbuffered message processing.
Affected versions of this package are vulnerable to Signed to Unsigned Conversion Error in the aes_key_unwrap function when handling a ciphertext that is too short. An attacker can cause a crash of the application by sending a specially crafted encrypted message containing a malformed PKESK or SKESK packet.