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firefox: Memory safety bugs fixed in Firefox 140 and Thunderbird 140

zetlyn/cve-redhat vulnerability cve CVE-2025-6436 known 2025-06-24

https://access.redhat.com/security/cve/CVE-2025-6436

Properties

cvss7.5
receipt
Source
Red Hat
Its words
7.5
Read by
field:cvss3_score
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-6436",
  "CWE": null,
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2374554",
  "bugzilla_description": "firefox: Memory safety bugs fixed in Firefox 140 and Thunderbird 140",
  "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": "2025-06-24T12:28:04Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6436.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
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-6436",
  "CWE": null,
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2374554",
  "bugzilla_description": "firefox: Memory safety bugs fixed in Firefox 140 and Thunderbird 140",
  "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": "2025-06-24T12:28:04Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6436.json",
  "severity": "important"
}

Text

firefox: Memory safety bugs fixed in Firefox 140 and Thunderbird 140