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TI-2023-13919 Aliases CVE-2023-29551GHSA-f53g-r2vw-fp5c

Out-of-bounds write in Mozilla Firefox for Android

Priority MEDIUM 41CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Memory safety bugs present in Firefox 111. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00526 44th percentileScored 2026-11-07
Fix Fixed Firefox for Android (Mozilla): 112Firefox (Mozilla): 112+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
MozillaFirefoxbefore 112112Patch availableCNA
MozillaFocus for Androidbefore 112112Patch availableCNA
  • Firefox for Android VendorMozilla Affected before 112 Fixed in 112 Patch available CNA
  • Firefox 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 · 3

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

Remediation

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

    15 records Highest priority Priority HIGH 1 HIGH, 8 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-13905 Race condition in Mozilla Firefox for AndroidPriority HIGH 68
    • TI-2023-13916 A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization…Priority MEDIUM 62
    • TI-2023-13903 Following a Garbage Collector compaction, weak maps may have been accessed before they…Priority MEDIUM 62
    Show all 15 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-29551
  2. 2026-10-03 Alias added: GHSA-f53g-r2vw-fp5c

References

Advisory 1

Other 1

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

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