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SRC: CVELISTV5 / SYNC: T-8M / LAG: 23M / REC: 386,742 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2026-5419

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

LowPUBLISHEDCNA: redhat

CNA base score3.7 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

02 Description

CNA: redhat

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

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 31.0% of scored records. A rank, not a probability.

NVD base score

3.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-01.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

SCHEMA: 5.2

Published

2026-06-01 19:26Z3 MO AGO

Last updated

2026-09-01 12:07Z3 DAYS AGO

Reserved

2026-04-02

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CWE-208Observable Timing DiscrepancyBase

Data version

5.2

Document digest

75a7b03b4eb5e36ea01f6e449b11ae83b3b0e7758c60a3b63501425262bc5b8f

05 Affected products

PAIRS: 12

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux 10Not specified—

Red HatRed Hat Enterprise Linux 10.0 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9Not specified—

Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP SolutionsNot specified—

Red HatRed Hat Enterprise Linux 9.6 Extended Update SupportNot specified—

Red HatRed Hat Discovery 2Not specified—

Red HatRed Hat Hardened ImagesNot specified—

Red HatRed Hat Update Infrastructure 5Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat OpenShift Container Platform 4Not specified—

06 References

REFS: 12

access.redhat.comRHSA-2026:13274https://access.redhat.com/errata/RHSA-2026:13274vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:20612https://access.redhat.com/errata/RHSA-2026:20612vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:20613https://access.redhat.com/errata/RHSA-2026:20613vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:26319https://access.redhat.com/errata/RHSA-2026:26319vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:26409https://access.redhat.com/errata/RHSA-2026:26409vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:29197https://access.redhat.com/errata/RHSA-2026:29197vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:30004https://access.redhat.com/errata/RHSA-2026:30004vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:32962https://access.redhat.com/errata/RHSA-2026:32962vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:58981https://access.redhat.com/errata/RHSA-2026:58981vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-5419vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2467686https://bugzilla.redhat.com/show_bug.cgi?id=2467686issue-trackingx_refsource_REDHAT
www.gnutls.orghttps://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13