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CVE-2026-84118 Use-after-free in the JavaScript: GC component

🗓️ 01 Sep 2026 12:18:48Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Use-after-free in Firefox JavaScript GC component, fixed in Firefox 155 and ESR 153.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Use After Free in Mozilla Firefox
8 Sep 202616:04
githubexploit
alpinelinux
AlpineLinux
CVE-2026-84118
1 Sep 202612:18
alpinelinux
cgr
Chainguard
CVE-2026-84118 vulnerabilities
5 Sep 202602:17
cgr
circl
Circl
CVE-2026-84118
2 Sep 202604:48
circl
cve
CVE
CVE-2026-84118
1 Sep 202612:18
cve
debiancve
Debian CVE
CVE-2026-84118
1 Sep 202612:18
debiancve
euvd
EUVD
EUVD-2026-69070
1 Sep 202612:18
euvd
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-208add2041)
3 Sep 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : thunderbird (2026-379e77483b)
20 Sep 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : firefox / nss (2026-42a3a95e62)
3 Sep 202600:00
nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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