CVE-2026-58015: fallo de gravedad media en GNOME GLib
Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
Publicada el · Actualizada el
Seguir esta CVE+ Monitorear Red Hat Enterprise Linux+ Monitorear Red Hat OpenShift Container Platform
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.9epss 0.8%
A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicious D-Bus server can supply a cookie_context containing path traversal sequences, causing the client to read an arbitrary file and exfiltrate sensitive data by verifying guessed file contents against a generated hash.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Productos afectados
GNOME · GLibRed Hat · Cert Manager support for Red Hat OpenShift release 1.17Red Hat · Cert Manager support for Red Hat OpenShift release 1.18Red Hat · Cert Manager support for Red Hat OpenShift release 1.19Red Hat · Cert Manager support for Red Hat OpenShift release 1.20Red Hat · Red Hat AI Inference Server 3.2Red Hat · Red Hat AI Inference Server 3.5Red 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 7 Extended Lifecycle SupportRed Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux AI 3.5Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat OpenShift AI 3.0Red Hat · Red Hat OpenShift AI 3.2Red Hat · Red Hat OpenShift AI 3.4Red Hat · Red Hat OpenShift AI 3.5Red Hat · Red Hat OpenShift Container Platform 4.12Red Hat · Red Hat OpenShift Container Platform 4.13Red Hat · Red Hat OpenShift Container Platform 4.14Red Hat · Red Hat OpenShift Container Platform 4.15Red Hat · Red Hat OpenShift Container Platform 4.22Red Hat · Red Hat OpenShift Container Platform 5Red Hat · Red Hat Update Infrastructure 5CVEs relacionadas — GNOME GLib
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-33845HIGHGnutls: gnutls: denial of service via dtls zero-length fragmentEPSS 2.1%CVE-2026-42009HIGHGnutls: gnutls: denial of service via dtls packet reordering vulnerabilityEPSS 1.3%CVE-2026-2100MEDIUMP11-kit: null dereference via c_derivekey with specific null parametersEPSS 1.3%CVE-2026-33846HIGHGnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassemblyEPSS 1.3%CVE-2026-4424HIGHLibarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processingEPSS 1.3%CVE-2026-5121HIGHLibarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processingEPSS 1.1%
Referencias
https://access.redhat.com/errata/RHSA-2026:49512https://access.redhat.com/errata/RHSA-2026:55440https://access.redhat.com/errata/RHSA-2026:57015https://access.redhat.com/errata/RHSA-2026:58981https://access.redhat.com/errata/RHSA-2026:61766https://access.redhat.com/errata/RHSA-2026:61783https://access.redhat.com/errata/RHSA-2026:63135https://access.redhat.com/errata/RHSA-2026:63138https://access.redhat.com/errata/RHSA-2026:63140https://access.redhat.com/errata/RHSA-2026:65762https://access.redhat.com/errata/RHSA-2026:65763https://access.redhat.com/errata/RHSA-2026:65767