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CVE-2025-5270 SNI was sometimes unencrypted

🗓️ 27 May 2025 12:29:28Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

SNI could transmit unencrypted data in Firefox versions below 139 with DNS encryption enabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
Firefox -- unencrypted SNI
27 May 202500:00
freebsd
AlpineLinux
CVE-2025-5270
27 May 202513:15
alpinelinux
AstraLinux
Astra Linux – Vulnerability in Firefox
16 Jun 202511:28
astralinux
BDU FSTEC
The vulnerability of the Mozilla Firefox browser and the Thunderbird email client, related to the transmission of confidential information in plaintext, allows attackers to gain unauthorized access to protected information.
1 Jun 202500:00
bdu_fstec
Chainguard
CVE-2025-5270 vulnerabilities
7 Jan 202601:29
cgr
Circl
CVE-2025-5270
27 May 202512:48
circl
CNNVD
Mozilla Firefox 安全漏洞
27 May 202500:00
cnnvd
CVE
CVE-2025-5270
27 May 202512:29
cve
Debian CVE
CVE-2025-5270
27 May 202512:29
debiancve
EUVD
EUVD-2025-18106
3 Oct 202520:07
euvd
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "139",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "139",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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