CVE-2026-2100

Publication date 9 February 2026

Last updated 30 March 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

[NULL dereference via C_DeriveKey with specific NULL parameters]

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
p11-kit	25.10 questing	Not affected
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

Per Debian, vulnerable code introduced in 0.25.6 with the following commits: https://github.com/p11-glue/p11-kit/commit/aee856f75e06e451a34cb1fdd6630945c9d1623c https://github.com/p11-glue/p11-kit/commit/d7523b1031938fdd9740757f90e903aa09f5397d

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
p11-kit	Upstream: 39f3b5e

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Other references

https://www.cve.org/CVERecord?id=CVE-2026-2100