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TI-2018-08866 Aliases CVE-2018-12365GHSA-m35p-3hfp-7xr6

Information disclosure in Mozilla Thunderbird

Priority LOW 35CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
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 and Red Hat. Impact type from CWE-200.

Summary

A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Why it matters now

EPSS 0.03158 88th percentileScored 2026-11-07
Fix Fixed Thunderbird (Mozilla): 60, 52.9Firefox ESR (Mozilla): 60.1, 52.9+1 more productRed Hat: 4 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaThunderbirdbefore 60; before 52.960, 52.9Patch availableCNA
MozillaFirefox ESRbefore 60.1; before 52.960.1, 52.9Patch availableCNA
MozillaFirefoxbefore 6161Patch availableCNA
  • Thunderbird VendorMozilla Affected before 60; before 52.9 Fixed in 60, 52.9 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 60.1; before 52.9 Fixed in 60.1, 52.9 Patch available CNA
  • Firefox VendorMozilla Affected before 61 Fixed in 61 Patch available CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 61.0; 53.0 to before 60.1.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 52.9VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 52.9; 52.9.1 to before 60.0VulnerableMozilla
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 61.0; 53.0 to before 60.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 52.9 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.9; 52.9.1 to before 60.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Thunderbird (Mozilla) Fixed in 60, 52.9
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 60.1, 52.9
  • Fix · CNA Firefox (Mozilla) Fixed in 61

Red Hat 4 advisories

  • RHSA-2018:2251 Released 2018-07-24 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-52.9.1-1.el6
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-52.9.1-1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-52.9.1-1.el6
  • RHSA-2018:2252 Released 2018-07-24 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-52.9.1-1.el7_5
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-52.9.1-1.el7_5
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-52.9.1-1.el7_5
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird-52.9.1-1.el7_5
  • RHSA-2018:2112 Released 2018-06-28 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux Server (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-60.1.0-5.el6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-60.1.0-5.el6
Show 1 more Red Hat advisories
  • RHSA-2018:2113 Released 2018-06-28 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux Client (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux Server (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-60.1.0-4.el7_5
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-60.1.0-4.el7_5

Fixed in the same release

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

  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — USN-3705-1

    16 records Highest priority Priority MEDIUM 12 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2018-03751 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-03720 Improper input validation in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08870 Incorrect authorization in Mozilla Firefox ESRPriority MEDIUM 47
    Show all 16 records → Advisory →
  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:2251

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2018-03751 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08860 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2018-08863 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 11 records → Advisory →
Show 4 more groups
  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:2252

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2018-03751 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08860 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2018-08863 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 11 records → Advisory →
  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — USN-3714-1

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2018-03751 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08860 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2018-08863 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 11 records → Advisory →
  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4244

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2018-03751 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08860 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2018-08863 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 11 records → Advisory →
  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4235

    8 records Highest priority Priority MEDIUM 6 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2018-03720 Improper input validation in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2018-08860 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 46
    • TI-2018-08863 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 45
    Show all 8 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:2113, RHSA-2018:2252
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:2113
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:2112, RHSA-2018:2251
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2018:2112
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2018:2112
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:2112
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:2113
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2018:2112, RHSA-2018:2251
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:2113, RHSA-2018:2252
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:2112, RHSA-2018:2251
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:2113, RHSA-2018:2252
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2018:2112
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:2113
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:2113
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:2252
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12365
  2. 2026-10-03 Alias added: GHSA-m35p-3hfp-7xr6

References

Advisory 18

  • 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