Read the docs
TI-2018-03677 Aliases CVE-2018-5110GHSA-q5wx-5wj5-v2g9

Improper input validation in Mozilla Firefox

Priority LOW 27CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

If cursor visibility is toggled by script using from 'none' to an image and back through script, the cursor will be rendered temporarily invisible within Firefox. Note: This vulnerability only affects OS X. Other operating systems are not affected. This vulnerability affects Firefox < 58.

Why it matters now

EPSS 0.01441 73rd percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 58

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 5858Patch availableCNA
  • Firefox VendorMozilla Affected before 58 Fixed in 58 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 57.0.4VulnerableMozilla
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*all versionsRunning onApple
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 57.0.4 Vulnerable ·Mozilla
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 58

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 58

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2018-03687 Improper input validation in Mozilla FirefoxPriority LOW 27

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5110
  2. 2026-10-03 Alias added: GHSA-q5wx-5wj5-v2g9

References

  • 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