All vulnerabilities
CVE-2026-114406

Red Hat Enterprise Linux 10: Ca-certificates: distrust emudhra intermediate ca certificates due to security concerns

Red Hat Red Hat Enterprise Linux 10Operating systems
Open in ThreatlineRecord JSON
CVSS
6.8Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.27%Chance of exploitation activity in the next 30 days, higher than 18% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published21 Oct 2026Updated 24 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

The system certificate authority (CA) store in Red Hat products, distributed via ca-certificates RPM packages, included multiple root CA certificates of authorities, which signed intermediate CA certificates with weak private keys issued by the eMudhra certificate authority. A man-in-the-middle attacker could use this flaw to issue certificates for arbitrary host names signed by the weak intermediate CA certificates, which would be considered trusted by a TLS/SSL client using system CA store and cause such clients to connect to malicious sites.

Due to inability to only distrust specific intermediate certificates in all clients using the system CA store, root CA certificates of authorities that signed weak intermediate CA certificates are being removed.

Text from CVE List

Affected versions 14

  • Red Hat Enterprise Linux 10unaffected: 0:2026.2.92_v9.0.319-100.3.el10_2 and laterCVE List
  • Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected: 0:2026.2.92_v9.0.319-100.3.el10_0 and laterCVE List
  • Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected: 0:2026.2.92_v9.0.319-70.3.el7_9 and laterCVE List
  • Red Hat Enterprise Linux 8unaffected: 0:2026.2.92_v9.0.319-81.3.el8_10 and laterCVE List
  • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected: 0:2026.2.92_v9.0.319-80.3.el8_4 and laterCVE List
  • Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected: 0:2026.2.92_v9.0.319-80.3.el8_6 and laterCVE List
  • Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected: 0:2026.2.92_v9.0.319-80.3.el8_6 and laterCVE List
  • Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected: 0:2026.2.92_v9.0.319-80.3.el8_8 and laterCVE List
  • Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected: 0:2026.2.92_v9.0.319-80.3.el8_8 and laterCVE List
  • Red Hat Enterprise Linux 9unaffected: 0:2026.2.92_v9.0.319-90.3.el9_8 and laterCVE List
  • Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected: 0:2026.2.92_v9.0.319-90.3.el9_2 and laterCVE List
  • Red Hat Enterprise Linux 9.4 Update Services for SAP Solutionsunaffected: 0:2026.2.92_v9.0.319-90.3.el9_4 and laterCVE List
  • Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected: 0:2026.2.92_v9.0.319-90.3.el9_6 and laterCVE List
  • Red Hat Hardened Imagesunaffected: 2026.2.92_v9.0.319-1.hum1 and laterCVE List

References 15