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Vulnerabilidades / CVE-2020-26972

crítica

CVE-2020-26972

The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that…

Publicada Modificada CWE 416
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:3.1/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. Más baja según Ubuntu (media).

Descripción

The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
alpine 3.12firefox84.0.1-r0
alpine 3.13firefox84.0.1-r0
alpine 3.14firefox84.0.1-r0
alpine 3.15firefox84.0.1-r0
alpine 3.16firefox84.0.1-r0
alpine 3.17firefox84.0.1-r0
alpine 3.18firefox84.0.1-r0
alpine 3.19firefox84.0.1-r0
alpine 3.20firefox84.0.1-r0
alpine 3.21firefox, librewolf84.0.1-r0
alpine 3.22firefox, librewolf84.0.1-r0
alpine 3.23firefox, librewolf84.0.1-r0
Mostrar las 28 entradas de 25 fuentes
FuentePaqueteCorregido en
alpine 3.12firefox84.0.1-r0
alpine 3.13firefox84.0.1-r0
alpine 3.14firefox84.0.1-r0
alpine 3.15firefox84.0.1-r0
alpine 3.16firefox84.0.1-r0
alpine 3.17firefox84.0.1-r0
alpine 3.18firefox84.0.1-r0
alpine 3.19firefox84.0.1-r0
alpine 3.20firefox84.0.1-r0
alpine 3.21firefox84.0.1-r0
alpine 3.21librewolf84.0.1-r0
alpine 3.22firefox84.0.1-r0
alpine 3.22librewolf84.0.1-r0
alpine 3.23firefox84.0.1-r0
alpine 3.23librewolf84.0.1-r0
alpine 3.24librewolf84.0.1-r0
alpine edgelibrewolf84.0.1-r0
ubuntu 16.04firefox84.0+build3-0ubuntu0.16.04.1
ubuntu 18.04firefox84.0+build3-0ubuntu0.18.04.1
ubuntu 20.04firefox84.0+build3-0ubuntu0.20.04.1
ubuntu 20.10firefox84.0+build3-0ubuntu0.20.10.1
ubuntu 21.04firefox84.0+build3-0ubuntu2
ubuntu 21.10firefox84.0+build3-0ubuntu2
ubuntu 22.04firefox84.0+build3-0ubuntu2
ubuntu 22.10firefox84.0+build3-0ubuntu2
ubuntu 23.04firefox84.0+build3-0ubuntu2
ubuntu 23.10firefox84.0+build3-0ubuntu2
ubuntu 24.04firefox84.0+build3-0ubuntu2

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.