CVE-2025-67897

unknown

Published 2025-11-07 · Modified 2025-12-17

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CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

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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.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	affected
debian	bullseye	affected
debian	forky	fixed	`2.1.0-1`
debian	sid	fixed	`2.1.0-1`
debian	trixie	fixed	`2.0.0-2+deb13u1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
crates.io	sequoia-openpgp
crates.io	sequoia-openpgp	`>=0.0.0-0,<2.1.0`	`2.1.0`
crates.io	sequoia-openpgp	`<2.1.0`	`2.1.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.