3.7

CVE-2026-5419

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

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerRed Hat
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Produkt Red Hat Enterprise Linux 10
Default Statusaffected
Version 0:3.8.10-4.el10_2
Version < *
Status unaffected
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Produkt Red Hat Enterprise Linux 10.0 Extended Update Support
Default Statusaffected
Version 0:3.8.9-9.el10_0.19
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Status unaffected
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Produkt Red Hat Enterprise Linux 9
Default Statusaffected
Version 0:3.8.10-4.el9_8
Version < *
Status unaffected
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Produkt Red Hat Enterprise Linux 9
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Version 0:3.8.10-4.el9_8
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Status unaffected
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Produkt Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
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Version 0:3.8.3-4.el9_4.6
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Status unaffected
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Produkt Red Hat Enterprise Linux 9.6 Extended Update Support
Default Statusaffected
Version 0:3.8.3-6.el9_6.4
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Status unaffected
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Produkt Red Hat Discovery 2
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Version 1782159791
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Produkt Red Hat Discovery 2
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Version 1782166952
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Produkt Red Hat Update Infrastructure 5
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Version 1781525684
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Status unaffected
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Produkt Red Hat Update Infrastructure 5
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Version 1781525671
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Status unaffected
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Produkt Red Hat Update Infrastructure 5
Default Statusaffected
Version 1781525693
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Status unaffected
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Produkt Red Hat Update Infrastructure 5
Default Statusaffected
Version 1781525739
Version < *
Status unaffected
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Produkt Red Hat Enterprise Linux 6
Default Statusunknown
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Produkt Red Hat Enterprise Linux 7
Default Statusunaffected
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Produkt Red Hat Enterprise Linux 8
Default Statusaffected
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Produkt Red Hat Hardened Images
Default Statusaffected
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Produkt Red Hat OpenShift Container Platform 4
Default Statusaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.298
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secalert@redhat.com 3.7 2.2 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-208 Observable Timing Discrepancy

Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

https://access.redhat.com/errata/RHSA-2026:20613
https://access.redhat.com/security/cve/CVE-2026-5419
https://bugzilla.redhat.com/show_bug.cgi?id=2467686
https://access.redhat.com/errata/RHSA-2026:20612
https://access.redhat.com/errata/RHSA-2026:29197
https://access.redhat.com/errata/RHSA-2026:26319
https://access.redhat.com/errata/RHSA-2026:26409
https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13
https://access.redhat.com/errata/RHSA-2026:30004
https://access.redhat.com/errata/RHSA-2026:32962