CVE-2026-5260
Gnutls: gnutls: information disclosure via heap overread in rsa key exchange
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 8.2EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
26 may 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Productos afectados
Red Hat · Red Hat Discovery 2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat Update Infrastructure 5¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://access.redhat.com/errata/RHSA-2026:20611https://access.redhat.com/errata/RHSA-2026:20612https://access.redhat.com/errata/RHSA-2026:20613https://access.redhat.com/errata/RHSA-2026:26319https://access.redhat.com/errata/RHSA-2026:26409https://access.redhat.com/errata/RHSA-2026:29197https://access.redhat.com/security/cve/CVE-2026-5260https://bugzilla.redhat.com/show_bug.cgi?id=2467450