CVE-2025-67897 — Signed to Unsigned Conversion Error in Sequoia
Severity
5.3MEDIUMNVD
EPSS
0.3%
top 48.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 14
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:HExploitability: 1.6 | Impact: 3.6
Affected Packages5 packages
🔴Vulnerability Details
4📋Vendor Advisories
3Microsoft▶
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 mes↗2025-12-09
Debian▶
CVE-2025-67897: rust-sequoia-openpgp - In Sequoia before 2.1.0, aes_key_unwrap panics if passed a ciphertext that is to...↗2025