Riskcovery

CVE-2026-5419

Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

State
Published
Severity
3.7 Low
Published
Jun 1, 2026
Updated
Oct 14, 2026
Reserved
Apr 2, 2026

Read the record on cve.org

Description

A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.

Scores

CVSSScoreVectorSource
3.13.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:Nredhat

Weaknesses

  • CWE-208 Observable Timing Discrepancy

Affected Products

ProductVersions
gnutls
  • 0Affected
Red Hat Enterprise Linux 10Red Hat
  • 0:3.8.10-4.el10_2 and laterNot affected
Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat
  • 0:3.8.9-9.el10_0.19 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:3.8.10-4.el9_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:3.8.10-4.el9_8 and laterNot affected
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat
  • 0:3.8.3-4.el9_4.6 and laterNot affected
Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat
  • 0:3.8.3-6.el9_6.4 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791371080 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791371069 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791788287 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791970484 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459707 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459711 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459759 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1789029076 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791966259 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.20Red Hat
  • 1790598593 and laterNot affected
Red Hat Discovery 2Red Hat
  • 1782159791 and laterNot affected
Red Hat Discovery 2Red Hat
  • 1782166952 and laterNot affected
Red Hat Hardened ImagesRed Hat
  • 3.8.13-1.hum1 and laterNot affected
Red Hat OpenShift AI 3.4Red Hat
  • 1790703542 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1781525684 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1781525671 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1781525693 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1781525739 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1787241211 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1787135742 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1787241260 and laterNot affected
Red Hat Enterprise Linux 6Red Hat
    Red Hat Enterprise Linux 7Red Hat
      Red Hat Enterprise Linux 8Red Hat
        Red Hat OpenShift Container Platform 4Red Hat
          Red Hat OpenShift Container Platform 4Red Hat
            Red Hat OpenShift Container Platform 4Red Hat

              References

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