CVE-2025-67897

MEDIUM

5.3

CVSS v3

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.

CWE-195

How to fix

Remediation Available

rust-sequoia-openpgpDebian

Fixed in:2.0.0-2+deb13u1CVE-2025-67897

Fixed in:2.1.0-1CVE-2025-67897

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-195 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-43663	High	8.1	14%	-	-
CVE-2020-6096	High	8.1	5.2%	-	Fix
CVE-2011-3045	High	8.8	3.6%	-	Fix
CVE-2016-6560	High	8.6	1.7%	-	-
CVE-2023-3635	Medium	5.9	1.3%	-	Fix
CVE-2020-1913	High	8.1	1.2%	-	-

Common questions

How do I fix CVE-2025-67897?

Upgrade rust-sequoia-openpgp on debian 13 to 2.0.0-2+deb13u1 or later.

Is CVE-2025-67897 being actively exploited?

Not that we know of. CVE-2025-67897 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.31% is the estimated probability that it will be exploited in the next 30 days. That is higher than 23% of all scored CVEs.

How severe is CVE-2025-67897?

CVE-2025-67897 has a CVSS v3 base score of 5.3, rated moderate. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-67897 affect?

Published advisories record a fix for rust-sequoia-openpgp (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-15.