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Vulnerabilities CVE-2026-2100

CVE-2026-2100

Medium
Open
TLP:CLEAR

P11-kit: null dereference via c_derivekey with specific null parameters

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Description

A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set to NULL. This could lead to the RPC-client attempting to return an uninitialized value, potentially resulting in a NULL dereference or undefined behavior. This issue may cause an application level denial of service or other unpredictable system states.

Details

CVSS Score
5.3
EPSS Score
1.16%

64.4th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Confidence
90%
Published
Mar 26, 2026
Last Modified
Aug 15, 2026
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