Vulnerabilidades / CVE-2017-6920

crítica

CVE-2017-6920

PECL YAML parser unsafe object handling

Publicada Modificada CWE 19
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, GHSA.

Descripción

Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
composer::GitHub Security Advisory Composerdrupal/core, drupal/drupal8.3.4
composer::PHP Security Advisories Databasedrupal/core, drupal/drupalsin corrección indicada
Mostrar las 4 entradas de 2 fuentes
FuentePaqueteCorregido en
composer::GitHub Security Advisory Composerdrupal/core8.3.4
composer::GitHub Security Advisory Composerdrupal/drupal8.3.4
composer::PHP Security Advisories Databasedrupal/coresin corrección indicada
composer::PHP Security Advisories Databasedrupal/drupalsin corrección indicada

Referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.