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VULNERABILITIES

CVE-2026-5260 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:13274 [email protected]
https://access.redhat.com/errata/RHSA-2026:20611 [email protected]
https://access.redhat.com/errata/RHSA-2026:20612 [email protected]
https://access.redhat.com/errata/RHSA-2026:20613 [email protected]
https://access.redhat.com/errata/RHSA-2026:26319 [email protected]

see all 23 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-126Buffer Over-read[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

31 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5260
NVD Published Date:
May 26, 2026
NVD Last Modified:
Sep 24, 2026
Source:
[email protected]
CVE-2026-5260 Details - Not Deferred