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TI-2019-07204 Aliases CVE-2019-9818GHSA-r9p3-38m2-qxq8

Race condition in Mozilla Thunderbird

Priority LOW 38CWE-362Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in the main process, resulting in a potentially exploitable crash and a sandbox escape. *Note: this vulnerability only affects Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Why it matters now

EPSS 0.00954 61st percentileScored 2026-11-07
Fix Fixed Thunderbird (Mozilla): 60.7Firefox (Mozilla): 67+1 more product

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaThunderbirdbefore 60.760.7Patch availableCNA
MozillaFirefoxbefore 6767Patch availableCNA
MozillaFirefox ESRbefore 60.760.7Patch availableCNA
  • Thunderbird VendorMozilla Affected before 60.7 Fixed in 60.7 Patch available CNA
  • Firefox VendorMozilla Affected before 67 Fixed in 67 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 60.7 Fixed in 60.7 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 67.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 60.7VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 60.7VulnerableMozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 67.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 60.7 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 60.7 Vulnerable ·Mozilla
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Thunderbird (Mozilla) Fixed in 60.7
  • Fix · CNA Firefox (Mozilla) Fixed in 67
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 60.7

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 67

    20 records Highest priority Priority MEDIUM 7 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2019-08754 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 47
    • TI-2019-07186 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2019-08753 Use after free in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 20 records →
  • Release ·

    Mozilla Firefox ESR, Thunderbird 60.7

    12 records Highest priority Priority MEDIUM 6 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2019-08754 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 47
    • TI-2019-07186 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2019-08753 Use after free in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 12 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-9818
  2. 2026-10-03 Alias added: GHSA-r9p3-38m2-qxq8

References

Advisory 3

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