In Sequoia before 2.1.0, aes_key_unwrap panics if passed a ciphertext that is too short.
Priority LOW 24CWE-195Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 5 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix Partial sequoia (sequoia-pgp): 2.1.0sequoia-openpgp (crates.io): 2.1.0Red Hat: 5 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| sequoia-pgp | sequoia | before 2.1.0 | 2.1.0 | Patch available | CNA |
| — | sequoia-openpgp (crates.io) | before 2.1.0 | 2.1.0 | Patch available | GHSA-v6x3-9r38-r27q |
- sequoia Vendorsequoia-pgp Affected before 2.1.0 Fixed in 2.1.0 Patch available CNA
- sequoia-openpgp (crates.io) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-v6x3-9r38-r27q
Remediation
- Fix · CNA sequoia (sequoia-pgp) Fixed in 2.1.0
- Fix · GHSA-v6x3-9r38-r27q sequoia-openpgp (crates.io) Fixed in 2.1.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Confidential Compute Attestation | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Profile Analyzer | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-67897
- 2026-10-03 Alias added: GHSA-v6x3-9r38-r27q
References
Other 5
- https://gitlab.com/sequoia-pgp/sequoia/-/commit/b59886e5e7bdf7169ed330f309a6633d131776e5
- https://bugs.debian.org/1122582
- https://gitlab.com/sequoia-pgp/sequoia/-/blob/b59886e5e7bdf7169ed330f309a6633d131776e5/openpgp/NEWS#L7-L26
- https://gitlab.com/sequoia-pgp/sequoia
- https://rustsec.org/advisories/RUSTSEC-2025-0136.html
More sequoia-pgp vulnerabilities
- TI-2024-38362 Infinite loop in sequoia-pgp sequoia CVSS 3.1HIGH 7.5
- TI-2023-29457 The buffered-reader crate before 1.1.5 for Rust allows out-of-bounds array access and a panic. CVSS 3.1MEDIUM 5.3
- TI-2023-29456 The sequoia-openpgp crate before 1.16.0 for Rust allows out-of-bounds array access and a panic. CVSS 3.1MEDIUM 5.3
- TI-2026-02241 Rust-rpm-sequoia: rust-rpm-sequoia: denial of service via crafted rpm file during signature verification CVSS 3.1MEDIUM 5.5
Sources
- CVE-2025-67897 · CVE Program
- CVE-2025-67897 · NVD
- FIRST EPSS
- GHSA-v6x3-9r38-r27q · GitHub Advisory Database · CC BY 4.0
- CVE-2025-67897 · Red Hat security data · CC BY 4.0
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