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CVE-2026-5419

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Not supplied / Not suppliedaffected 0
Red Hat / Red Hat Enterprise Linux 10unaffected 0:3.8.10-4.el10_2 before *
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:3.8.9-9.el10_0.19 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:3.8.10-4.el9_8 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:3.8.10-4.el9_8 before *
Red Hat / Red Hat Enterprise Linux 9.4 Update Services for SAP Solutionsunaffected 0:3.8.3-4.el9_4.6 before *
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:3.8.3-6.el9_6.4 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.17unaffected 1791371080 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.17unaffected 1791371069 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.17unaffected 1791788287 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.17unaffected 1791970484 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.18unaffected 1791459707 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.18unaffected 1791459711 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.18unaffected 1791459759 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.18unaffected 1789029076 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.18unaffected 1791966259 before *
Red Hat / Cert Manager support for Red Hat OpenShift release 1.20unaffected 1790598593 before *
Red Hat / Red Hat Discovery 2unaffected 1782159791 before *
Red Hat / Red Hat Discovery 2unaffected 1782166952 before *
Red Hat / Red Hat Hardened Imagesunaffected 3.8.13-1.hum1 before *
Red Hat / Red Hat OpenShift AI 3.4unaffected 1790703542 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1781525684 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1781525671 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1781525693 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1781525739 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1787241211 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1787135742 before *
Red Hat / Red Hat Update Infrastructure 5unaffected 1787241260 before *
Red Hat / Red Hat Enterprise Linux 6unknown
Red Hat / Red Hat Enterprise Linux 7unaffected
Red Hat / Red Hat Enterprise Linux 8affected
Red Hat / Red Hat OpenShift Container Platform 4unaffected
Red Hat / Red Hat OpenShift Container Platform 4affected
Red Hat / Red Hat OpenShift Container Platform 4affected

CWE

CWE-208

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.