Lucene search
K

CVE-2025-5270

🗓️ 27 May 2025 12:29:28Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 62 Views

SNI could send unencrypted data despite encrypted DNS in Firefox versions prior to 139.

Related
Detection
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 - уязвимость в firefox
20 May 202605:53
astralinux
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
Cvelist
CVE-2025-5270 SNI was sometimes unencrypted
27 May 202512:29
cvelist
Debian CVE
CVE-2025-5270
27 May 202512:29
debiancve
EUVD
EUVD-2025-18106
3 Oct 202520:07
euvd
Tenable Nessus
Fedora 42 : firefox (2025-34badbe9b9)
10 Jun 202500:00
nessus
Rows per page
NVD
Node
mozillafirefoxRange<139.0
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "139",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "139",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

13 Apr 2026 15:17Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.5
EPSS0.00168
SSVC
62