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CVE Record

CVE-2026-2100: P11-kit: null dereference via c_derivekey with specific null parameters

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.

MediumCVSS 5.3Not KEV-listedUpdated
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Potential ATT&CK relevance

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Container behavior lookup

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CVE-2026-2100 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
5Timeline events
1ADP providers
20Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L3.91.4redhat

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2026-2100Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timelineredhat

    Made public.

  2. Source timelineredhat

    Reported to Red Hat.

  3. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  4. CVE publishedCVE Program

    The CVE record was published.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
p11-gluep11-kit0unaffected
Red HatRed Hat Enterprise Linux 10p11-kit, 0:0.26.2-1.el10affected
Red HatRed Hat Enterprise Linux 9p11-kit, 0:0.26.2-1.el9affected
Red HatRed Hat Enterprise Linux 9p11-kit, 0:0.26.2-1.el9affected
Red HatCert Manager support for Red Hat OpenShift release 1.17cert-manager/jetstack-cert-manager-acmesolver-rhel9, 1791371080affected
Red HatCert Manager support for Red Hat OpenShift release 1.17cert-manager/jetstack-cert-manager-rhel9, 1791371069affected
Red HatCert Manager support for Red Hat OpenShift release 1.17cert-manager/cert-manager-operator-rhel9, 1791788287affected
Red HatCert Manager support for Red Hat OpenShift release 1.17cert-manager/cert-manager-operator-bundle, 1791970484affected
Red HatCert Manager support for Red Hat OpenShift release 1.18cert-manager/jetstack-cert-manager-acmesolver-rhel9, 1791459707affected
Red HatCert Manager support for Red Hat OpenShift release 1.18cert-manager/jetstack-cert-manager-rhel9, 1791459711affected
Red HatCert Manager support for Red Hat OpenShift release 1.18cert-manager/cert-manager-istio-csr-rhel9, 1791459759affected
Red HatCert Manager support for Red Hat OpenShift release 1.18cert-manager/cert-manager-operator-rhel9, 1789029076affected
Red HatCert Manager support for Red Hat OpenShift release 1.18cert-manager/cert-manager-operator-bundle, 1791966259affected
Red HatCert Manager support for Red Hat OpenShift release 1.20cert-manager/cert-manager-trust-manager-rhel9, 1790598593affected
Red HatCost Management 4costmanagement/costmanagement-metrics-rhel9-operator, 1780946239affected
Red HatRed Hat Hardened Imagesp11-kit-main, 0.26.2-1.1.hum1affected
Red HatRed Hat Insights proxy 1.5insights-proxy/insights-proxy-container-rhel9, 1780420428affected
Red HatRed Hat Update Infrastructure 5rhui5/cds-rhel9, 1779798159affected
Red HatRed Hat Update Infrastructure 5rhui5/haproxy-rhel9, 1779798164affected
Red HatRed Hat Update Infrastructure 5rhui5/installer-rhel9, 1779798165affected
Red HatRed Hat Update Infrastructure 5rhui5/rhua-rhel9, 1779798222affected
Red HatRed Hat Update Infrastructure 5rhui5/cds-kubernetes-tp-rhel9, 1787241211affected
Red HatRed Hat Update Infrastructure 5rhui5/installer-tp-rhel9, 1787135742affected
Red HatRed Hat Update Infrastructure 5rhui5/rhua-tp-rhel9, 1787241260affected
Red HatRed Hat Enterprise Linux 6p11-kitunaffected
Red HatRed Hat Enterprise Linux 7p11-kitunaffected
Red HatRed Hat Enterprise Linux 8p11-kitunaffected
Red HatRed Hat OpenShift Container Platform 4openshift4/ose-hypershift-rhel9unknown
Red HatRed Hat OpenShift Container Platform 4openshift/ose-rhel-coreos-8unaffected
Red HatRed Hat OpenShift Container Platform 4openshift/ose-rhel-coreos-9unaffected
Weakness

CWE details

CWE-824

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-824 · source CWE mapping

Access of Uninitialized Pointer

Access of Uninitialized Pointer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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