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CVE-2026-5260

Last refreshed2026-10-03

Status: UPDATED  |  Advisory ID: CVE-2026-5260

Key Details

CVECVE-2026-5260
CVSS Score / Version8.2 (High) / CVSS v3.1
Updated2026-10-02
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is low; integrity impact is none; availability impact is high.
Affected productssee table below
Classified asCWE-126 (Buffer Over-read)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Red HatRed Hat OpenShift AI 3.4
Red HatRed Hat Enterprise Linux 10
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support
Red HatRed Hat Update Infrastructure 5
Red HatRed Hat Hardened Images
Red HatRed Hat OpenShift Container Platform 4.12
Red HatRed Hat OpenShift Container Platform 4.14
Red HatRed Hat OpenShift Container Platform 4.16
Red HatRed Hat OpenShift Container Platform 4.17
Red HatRed Hat OpenShift Container Platform 4.18
Red HatRed Hat OpenShift Container Platform 4.19
Red HatRed Hat OpenShift Container Platform 4
Red HatCert Manager support for Red Hat OpenShift release 1.20
Red HatRed Hat Discovery 2
SubsystemsGeneral OT
SectorsMultiple

What to Know

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure. (NVD)

What to Do

Monitor Red Hat's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-5260
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-5260