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firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component

zetlyn/cve-redhat vulnerability cve CVE-2026-100770 known 2026-09-29

https://access.redhat.com/security/cve/CVE-2026-100770

Properties

cvss7.5
receipt
Source
Red Hat
Its words
7.5
Read by
field:cvss3_score
Said since
2026-10-06 13:01 UTC
Last answered
2026-10-06 13:02 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-100770",
  "CWE": "CWE-825",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2543145",
  "bugzilla_description": "firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-29T12:36:01Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-100770.json",
  "severity": "important"
}
cvss_vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
receipt
Source
Red Hat
Its words
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Read by
field:cvss3_scoring_vector
Said since
2026-10-06 13:01 UTC
Last answered
2026-10-06 13:02 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-100770",
  "CWE": "CWE-825",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2543145",
  "bugzilla_description": "firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-29T12:36:01Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-100770.json",
  "severity": "important"
}
cweCWE-825
receipt
Source
Red Hat
Its words
CWE-825
Read by
field:CWE
Said since
2026-10-06 13:01 UTC
Last answered
2026-10-06 13:02 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-100770",
  "CWE": "CWE-825",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2543145",
  "bugzilla_description": "firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-29T12:36:01Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-100770.json",
  "severity": "important"
}
severityimportant
A flaw that can easily compromise confidentiality, integrity or availability.
receipt
Source
Red Hat
Its words
important
Read by
field:severity
Said since
2026-10-06 13:01 UTC
Last answered
2026-10-06 13:02 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-100770",
  "CWE": "CWE-825",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2543145",
  "bugzilla_description": "firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-29T12:36:01Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-100770.json",
  "severity": "important"
}

Text

firefox: Sandbox escape due to use-after-free in the DOM: Content Processes component