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TI-2021-10609 Aliases CVE-2021-29993GHSA-7926-phm6-wvh3

Firefox for Android allowed navigations through the `intent://` protocol, which could be…

Priority LOW 37Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Firefox for Android allowed navigations through the `intent://` protocol, which could be used to cause crashes and UI spoofs. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92.

Why it matters now

EPSS 0.00732 54th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 92

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 9292Patch availableCNA
  • Firefox VendorMozilla Affected before 92 Fixed in 92 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*before 92.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:* Versions before 92.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 92

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 92

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2021-16093 Out-of-bounds write in Mozilla Firefox ESRPriority MEDIUM 41
    • TI-2021-16094 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
    • TI-2021-16092 When delegating navigations to the operating system, Firefox would accept the `mk` scheme…Priority LOW 31
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29993
  2. 2026-10-03 Alias added: GHSA-7926-phm6-wvh3

References

Advisory 1

Other 1

  • 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-2023-13905 Race condition in Mozilla Firefox for Android CVSS 3.1HIGH 7.5
  • TI-2023-13916 A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization… CVSS 3.1MEDIUM 6.5
  • TI-2023-13903 Following a Garbage Collector compaction, weak maps may have been accessed before they… CVSS 3.1MEDIUM 6.5
  • TI-2022-13642 Information disclosure in Mozilla Firefox for iOS CVSS 3.1MEDIUM 6.5
See all 86 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences