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TI-2017-03420 Aliases CVE-2017-5392GHSA-cxh5-m5cc-6w2r

Memory corruption in Mozilla Firefox

Priority MEDIUM 46CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes. Note: This issue only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 51.

Why it matters now

EPSS 0.01734 77th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 51

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 5151Patch availableCNA
  • Firefox VendorMozilla Affected before 51 Fixed in 51 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 51.0VulnerableMozilla
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 51.0 Vulnerable ·Mozilla
  • cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 51

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 51

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2017-03419 Special "about:" pages used by web content, such as RSS feeds, can load privileged…Priority MEDIUM 46
    • TI-2017-03402 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
    • TI-2017-03405 Memory corruption in Mozilla FirefoxPriority MEDIUM 45
    Show all 14 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-5392
  2. 2026-10-03 Alias added: GHSA-cxh5-m5cc-6w2r

References

Advisory 2

  • 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