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TI-2023-13911 Aliases CVE-2023-29543GHSA-6r82-wmjx-mx6j

Improper output encoding in Mozilla Firefox for Android

Priority LOW 39CWE-116Published · 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-416 and the CVSS impact.

Summary

An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. 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
Partial

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-2023-29543
  2. 2026-10-03 Alias added: GHSA-6r82-wmjx-mx6j

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