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CVE-2026-74989 Internally found bugs fixed in Thunderbird 154

🗓️ 18 Aug 2026 12:23:41Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Memory corruption bugs in Firefox 153 fixed in Firefox 154, potentially exploitable.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-74989
18 Aug 202612:23
alpinelinux
cgr
Chainguard
CVE-2026-74989 vulnerabilities
22 Aug 202620:26
cgr
circl
Circl
CVE-2026-74989
19 Aug 202604:47
circl
cve
CVE
CVE-2026-74989
18 Aug 202612:23
cve
debiancve
Debian CVE
CVE-2026-74989
18 Aug 202612:23
debiancve
euvd
EUVD
EUVD-2026-60700
18 Aug 202612:23
euvd
nessus
Tenable Nessus
Fedora 43 : firefox (2026-170e9d62c6)
20 Aug 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : firefox (2026-fc11919789)
20 Aug 202600:00
nessus
nessus
Tenable Nessus
Mozilla Firefox < 154.0
18 Aug 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 154.0
19 Aug 202600:00
nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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