CVE-2023-29534

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Summary

CVECVE-2023-29534
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-19 11:15:09 UTC
Updated2026-08-19 15:29:21 UTC
DescriptionDifferent techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

EPSS: 0.007000000 probability, percentile 0.503490000 (date 2026-08-19)

Problem Types: NVD-CWE-noinfo | Fullscreen notification could have been obscured on Firefox for Android | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox Focus All All All All
Application Mozilla Firefox Mobile All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mozilla Firefox For Android affected unspecified 112 custom Not specified
CNA Mozilla Focus For Android affected unspecified 112 custom Not specified

References

ReferenceSourceLinkTags
Security Vulnerabilities fixed in Firefox 112, Firefox for Android 112, Focus for Android 112 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Permissions Required
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Shaheen Fazim and Hafiizh (en)

Legacy QID Mappings

  • 378383 Mozilla Firefox Multiple Vulnerabilities (MFSA2023-13)

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