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TI-2023-13902 Aliases CVE-2023-29534GHSA-4g28-wh72-jhwq

Different techniques existed to obscure the fullscreen notification in Firefox and Focus…

Priority MEDIUM 48Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Different 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00706 53rd percentileScored 2026-11-07
Fix Fixed Firefox for Android (Mozilla): 112Focus for Android (Mozilla): 112

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox for Androidbefore 112112Patch availableCNA
MozillaFocus for Androidbefore 112112Patch availableCNA
  • Firefox for Android VendorMozilla Affected before 112 Fixed in 112 Patch available CNA
  • Focus for Android VendorMozilla Affected before 112 Fixed in 112 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:android:*:*before 112.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*before 112.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:android:*:* Versions before 112.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:* Versions before 112.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox for Android (Mozilla) Fixed in 112
  • Fix · CNA Focus for Android (Mozilla) Fixed in 112

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox for Android, Focus for Android 112

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-13914 When recording the screen while in Private Browsing on Firefox for Android the address…Priority LOW 29

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-29534
  2. 2026-10-03 Alias added: GHSA-4g28-wh72-jhwq

References

  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-09831 Use after free in Mozilla Firefox KEVCVSS 3.1HIGH 8.8
  • TI-2023-11015 Authentication bypass by spoofing in Mozilla Firefox CVSS 3.1HIGH 7.5
  • TI-2025-34723 Passkey phishing within Bluetooth range CVSS 3.1CRITICAL 9.8
  • TI-2024-09702 Improper authentication in Mozilla Focus for iOS CVSS 3.1CRITICAL 9.1
  • TI-2026-07862 Protection mechanism failure in Mozilla Firefox CVSS 3.1HIGH 7.5
See all 19 →

Sources