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CVE-2026-4729

🗓️ 24 Mar 2026 12:30:43Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Memory safety bugs fixed in Firefox 149 and Thunderbird 149; 148 had corruption risks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
Mozilla -- Multiple vulnerabilities
24 Mar 202600:00
freebsd
ATTACKERKB
CVE-2026-4729
24 Mar 202612:30
attackerkb
AlpineLinux
CVE-2026-4729
24 Mar 202612:30
alpinelinux
Chainguard
CVE-2026-4729 vulnerabilities
27 Mar 202619:17
cgr
Circl
CVE-2026-4729
25 Mar 202603:00
circl
CNNVD
Mozilla Firefox和Mozilla Thunderbird 安全漏洞
24 Mar 202600:00
cnnvd
CNVD
Unspecified Vulnerability in Mozilla Firefox and Mozilla Thunderbird
31 Mar 202600:00
cnvd
Cvelist
CVE-2026-4729 Memory safety bugs fixed in Firefox 149 and Thunderbird 149
24 Mar 202612:30
cvelist
Debian CVE
CVE-2026-4729
24 Mar 202612:30
debiancve
EUVD
EUVD-2026-14873
24 Mar 202615:30
euvd
Rows per page
NVD
Node
mozillafirefoxRange<149.0-
OR
mozillathunderbirdRange<149.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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13 Apr 2026 15:17Current
7.4High risk
Vulners AI Score7.4
CVSS 3.19.8
EPSS0.00023
SSVC
9