ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-2100

A flaw was found in p11-kit.

Published Mar 26, 2026 · catalog updated Oct 14, 2026 · p11-kit project

Check if you run it

No confirmed exploitation is on record for CVE-2026-2100. EPSS is 1.26%. Act only if a listed version of p11-kit project is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.26%
Remediation
Not established
Affected products
cpe p11-kit project/p11-kit · cpe redhat/enterprise linux · cpe redhat/hardened images

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe p11-kit project/p11-kitversion unspecified
  • cpe redhat/enterprise linux10.0
  • cpe redhat/enterprise linux9.0
  • cpe redhat/hardened imagesversion unspecified

How to fix CVE-2026-2100

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2100. EPSS is 1.26%. Act only if a listed version of p11-kit project is installed.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux 10.0; redhat/enterprise linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-824: Access of Uninitialized Pointer. EPSS 1.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 26, 2026 · NIST NVD

    Detected

    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 de

  2. Oct 14, 2026 · NIST NVD

    Updated

    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 de

  3. Oct 14, 2026 · NIST NVD

    Updated

    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 de

Sources

  • CVE.orgVulnerability recordCVE-2026-2100

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2100

    30-day exploitation probability 1.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-2100

    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 uninitialize

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.