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CVE-2026-57963

🗓️ 01 Jul 2026 00:58:33Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 47 Views

HTML chat injection via Matrix or XMPP can manipulate UI and host phishing; fixed in Thunderbird 152.0.1 and 140.12.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-57963
1 Jul 202600:58
alpinelinux
circl
Circl
CVE-2026-57963
1 Jul 202602:34
circl
cvelist
Cvelist
CVE-2026-57963 Chat UI manipulation by injection
1 Jul 202600:58
cvelist
debian
Debian
[SECURITY] [DLA 4727-1] thunderbird security update
10 Aug 202607:56
debian
debian
Debian
[SECURITY] [DSA 6418-1] thunderbird security update
7 Aug 202619:21
debian
debiancve
Debian CVE
CVE-2026-57963
1 Jul 202600:58
debiancve
nessus
Tenable Nessus
Debian dla-4727 : thunderbird - security update
10 Aug 202600:00
nessus
nessus
Tenable Nessus
Debian dsa-6418 : thunderbird - security update
8 Aug 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 140.12.1
1 Jul 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 152.0.1
1 Jul 202600:00
nessus
Rows per page
NVD
Node
OR
mozillathunderbirdRange<140.12.1esr
mozillathunderbirdRange<152.0.1-
[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.12.1",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "152.0.1",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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06 Jul 2026 15:21Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
EPSS0.00191
SSVC
47