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CVE-2025-8043

🗓️ 22 Jul 2025 20:49:28Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 102 Views

Vulnerability CVE-2025-8043 in Firefox and Thunderbird truncates URLs incorrectly affecting versions below 141.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
Mozilla -- Multiple vulnerabilities
22 Jul 202500:00
–freebsd
attackerkb
attackerkb
CVE-2025-8043
22 Jul 202520:49
–attackerkb
alpinelinux
AlpineLinux
CVE-2025-8043
22 Jul 202521:15
–alpinelinux
bdu_fstec
BDU FSTEC
Mozilla Firefox Thunderbird Information Disclosure
29 Aug 202500:00
–bdu_fstec
circl
Circl
CVE-2025-8043
13 Apr 202617:57
–circl
cnnvd
CNNVD
Mozilla Firefox and Mozilla Thunderbird security vulnerabilities
22 Jul 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-8043 Incorrect URL truncation
22 Jul 202520:49
–cvelist
debiancve
Debian CVE
CVE-2025-8043
22 Jul 202520:49
–debiancve
euvd
EUVD
EUVD-2025-22358
3 Oct 202520:07
–euvd
nessus
Tenable Nessus
Fedora 41 : firefox (2025-2fac68f810)
24 Jul 202500:00
–nessus
Rows per page
NVD
Node
OR
mozillafirefoxRange<141.0-
mozillathunderbirdRange<141.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "141",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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30 Sep 2026 18:10Current
8.2High risk
Vulners AI Score8.2
CVSS 3.19.8
EPSS0.00434
SSVC
102