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TI-2017-03442 Aliases CVE-2017-5414GHSA-fch2-qg6h-c37w

Information disclosure in Mozilla Firefox

Priority LOW 25CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

The file picker dialog can choose and display the wrong local default directory when instantiated. On some operating systems, this can lead to information disclosure, such as the operating system or the local account name. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Why it matters now

EPSS 0.00325 25th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 52Thunderbird (Mozilla): 52

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 5252Patch availableCNA
MozillaThunderbirdbefore 5252Patch availableCNA
  • Firefox VendorMozilla Affected before 52 Fixed in 52 Patch available CNA
  • Thunderbird VendorMozilla Affected before 52 Fixed in 52 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 52.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 52.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 52
  • Fix · CNA Thunderbird (Mozilla) Fixed in 52

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 52

    19 records Highest priority Priority MEDIUM 4 MEDIUM, 15 LOW

    Other records, highest priority first

    • TI-2017-03441 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
    • TI-2017-03427 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
    • TI-2017-03431 Use after free in Mozilla FirefoxPriority MEDIUM 45
    Show all 19 records →
  • Release ·

    Mozilla Thunderbird 52

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2017-03441 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
    • TI-2017-03427 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
    • TI-2017-03431 Use after free in Mozilla FirefoxPriority MEDIUM 45
    Show all 14 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-5414
  2. 2026-10-03 Alias added: GHSA-fch2-qg6h-c37w

References

Advisory 3

  • 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