Vulnerability-Lookup

CVE-2026-9078 (GCVE-0-2026-9078)

Vulnerability from cvelistv5 – Published: 2026-05-25 14:05 – Updated: 2026-05-26 20:09

Title

Firefox iOS RTL Domain Rendering Issue in Link Preview

Summary

Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed in Firefox for iOS 151.1.

Severity

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-451 - User Interface (UI) Misrepresentation of Critical Information

Assigner

mozilla

References

2 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2029371
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

1 product

Vendor	Product	Version
Mozilla	Firefox for iOS	Unaffected: 151.1 , ≤ * (rpm)

Credits

Barath Stalin K

Show details on NVD website

JSON

To clipboard

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CERTFR-2026-AVI-0645

Vulnerability from certfr_avis - Published: 2026-05-26 - Updated: 2026-05-26

Une vulnérabilité a été découverte dans Firefox pour iOS. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	Mozilla	Firefox	Firefox pour iOS versions antérieures à 151.1

References

Title

Publication Time

FKIE_CVE-2026-9078

Vulnerability from fkie_nvd - Published: 2026-05-25 15:16 - Updated: 2026-06-17 11:04

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Summary

References

	URL	Tags
	security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=2029371	Permissions Required
	security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-52/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	mozilla	firefox	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Firefox for iOS",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "151.1",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
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              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*",
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              "versionEndExcluding": "151.1",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed in Firefox for iOS 151.1."
    }
  ],
  "id": "CVE-2026-9078",
  "lastModified": "2026-06-17T11:04:48.117",
  "metrics": {
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      {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.4,
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          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
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}

GHSA-78H4-7J7J-4P28

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-05-26 21:31

Details

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-9078"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-451"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-25T15:16:22Z",
    "severity": "MODERATE"
  },
  "details": "Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed in Firefox for iOS 151.1.",
  "id": "GHSA-78h4-7j7j-4p28",
  "modified": "2026-05-26T21:31:48Z",
  "published": "2026-05-26T13:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9078"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2029371"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-52"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2026-1668

Vulnerability from csaf_certbund - Published: 2026-05-25 22:00 - Updated: 2026-05-25 22:00

Summary

Mozilla Firefox: Schwachstelle ermöglicht Darstellen falscher Informationen

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Firefox ist ein Open Source Web Browser.

Angriff: Ein Angreifer kann eine Schwachstelle in Mozilla Firefox ausnutzen, um falsche Informationen darzustellen.

Betroffene Betriebssysteme: - iPhoneOS

CVE-2026-9078

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Mozilla Firefox ios <151.1 Mozilla / Firefox		ios <151.1

References

3 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://www.mozilla.org/en-US/security/advisories…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Firefox ist ein Open Source Web Browser.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann eine Schwachstelle in Mozilla Firefox ausnutzen, um falsche Informationen darzustellen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- iPhoneOS",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-1668 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1668.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1668 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1668"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-52 vom 2026-05-25",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-52/"
      }
    ],
    "source_lang": "en-US",
    "title": "Mozilla Firefox: Schwachstelle erm\u00f6glicht Darstellen falscher Informationen",
    "tracking": {
      "current_release_date": "2026-05-25T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-26T11:51:06.813+00:00",
        "engine": {
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        }
      },
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        {
          "date": "2026-05-25T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "ios \u003c151.1",
                "product": {
                  "name": "Mozilla Firefox ios \u003c151.1",
                  "product_id": "T054669"
                }
              },
              {
                "category": "product_version",
                "name": "ios 151.1",
                "product": {
                  "name": "Mozilla Firefox ios 151.1",
                  "product_id": "T054669-fixed",
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                    "cpe": "cpe:/a:mozilla:firefox:ios__151.1"
                  }
                }
              }
            ],
            "category": "product_name",
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          }
        ],
        "category": "vendor",
        "name": "Mozilla"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-9078",
      "product_status": {
        "known_affected": [
          "T054669"
        ]
      },
      "release_date": "2026-05-25T22:00:00.000+00:00",
      "title": "CVE-2026-9078"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-9078 (GCVE-0-2026-9078)

CERTFR-2026-AVI-0645

Solutions

FKIE_CVE-2026-9078

GHSA-78H4-7J7J-4P28

WID-SEC-W-2026-1668

Tags

Sightings

Nomenclature