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6.8Media

CVE-2026-93006Dnsmasq: dnsmasq: tftp prefetch cache keyed on stale heap pointer serves wrong file content

Red Hat Red Hat Ceph Storage 9; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7 Publicada: (hace 16 días)

Descripción

A flaw was found in dnsmasq. The TFTP server can serve the wrong file contents because a recently used transfer cache is not invalidated when a transfer finishes. An attacker on the local network who can request a TFTP file may cause a later client to receive previously cached data instead of the requested file. In PXE network-boot environments this can substitute attacker-chosen boot content for a victim machine.

Debilidad (CWE): CWE-672

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Red Hat Red Hat Ceph Storage 9 all versions
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 6 all versions
Red Hat Red Hat Enterprise Linux 7 all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat OpenShift Container Platform 4 all versions
Red Hat Red Hat OpenShift Container Platform 5 all versions
Red Hat Red Hat OpenStack Platform 13 (Queens) all versions
Red Hat Red Hat OpenStack Platform 18.0 all versions

Referencias y parches

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