TI-2018-03691 Aliases CVE-2018-5125 GHSA-32j6-x4jq-jq3x

Memory corruption in Mozilla Thunderbird

MEDIUM 43CWE-119Published 2018-06-11 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
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 and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Memory safety bugs were reported in Firefox 58 and Firefox ESR 52.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.

Why it matters now

EPSS 0.02478 84th percentileScored 2026-11-07

Fix Fixed Thunderbird (Mozilla): 52.7Firefox ESR (Mozilla): 52.7+1 more productRed Hat: 4 advisories

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Thunderbird	before 52.7	52.7	Patch available	CNA
Mozilla	Firefox ESR	before 52.7	52.7	Patch available	CNA
Mozilla	Firefox	before 59	59	Patch available	CNA

Thunderbird VendorMozilla Affected before 52.7 Fixed in 52.7 Patch available CNA
Firefox ESR VendorMozilla Affected before 52.7 Fixed in 52.7 Patch available CNA
Firefox VendorMozilla Affected before 59 Fixed in 59 Patch available CNA

CPE configurations NVD · 14

CPE	Versions	Role	Vendor
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::	14.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	16.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*	17.10	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	18.04	Vulnerable	Canonical
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*	6.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*	7.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*	6.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*	7.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*	6.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*	7.0	Vulnerable	Red Hat

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: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_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 4 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:debian:debian_linux:8.0:::::::*	8.0	Vulnerable	Debian
cpe:2.3:o:debian:debian_linux:9.0:::::::*	9.0	Vulnerable	Debian
cpe:2.3:a:mozilla:firefox::::::::	before 52.7.0; before 59.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 52.7.0	Vulnerable	Mozilla

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:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.7.0; before 59.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.7.0 Vulnerable ·Mozilla

Remediation

Fix · CNA Thunderbird (Mozilla) Fixed in 52.7
Fix · CNA Firefox ESR (Mozilla) Fixed in 52.7
Fix · CNA Firefox (Mozilla) Fixed in 59

Red Hat 4 advisories

RHSA-2018:0647 Released 2018-04-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-52.7.0-1.el6_9
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-52.7.0-1.el6_9
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-52.7.0-1.el6_9
RHSA-2018:0648 Released 2018-04-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-52.7.0-1.el7_4
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-52.7.0-1.el7_4
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-52.7.0-1.el7_4
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird-52.7.0-1.el7_4
RHSA-2018:0527 Released 2018-03-15 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-52.7.0-1.el7_4
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-52.7.0-1.el7_4
- Red Hat Enterprise Linux Server (v. 7) firefox-52.7.0-1.el7_4
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-52.7.0-1.el7_4, firefox-52.7.0-1.el7_4.ppc
- Red Hat Enterprise Linux Workstation (v. 7) firefox-52.7.0-1.el7_4
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-52.7.0-1.el7_4
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-52.7.0-1.el7_4

Show 1 more Red Hat advisories

RHSA-2018:0526 Released 2018-03-15 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux Desktop (v. 6) firefox-52.7.0-1.el6_9
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-52.7.0-1.el6_9
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-52.7.0-1.el6_9
- Red Hat Enterprise Linux Server (v. 6) firefox-52.7.0-1.el6_9
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-52.7.0-1.el6_9, firefox-52.7.0-1.el6_9.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-52.7.0-1.el6_9
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-52.7.0-1.el6_9

Fixed in the same release

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

Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — USN-3596-1
17 records Highest priority Priority MEDIUM 6 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03694 Use after free in Mozilla FirefoxPriority MEDIUM 46
- TI-2018-03692 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
Show all 17 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0526
7 records Highest priority Priority MEDIUM 5 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
- TI-2018-03696 Improper input validation in Mozilla Firefox ESRPriority MEDIUM 43
Show all 7 records → Advisory →

Show 7 more groups

Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0527
7 records Highest priority Priority MEDIUM 5 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
- TI-2018-03696 Improper input validation in Mozilla Firefox ESRPriority MEDIUM 43
Show all 7 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4139
7 records Highest priority Priority MEDIUM 5 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
- TI-2018-03696 Improper input validation in Mozilla Firefox ESRPriority MEDIUM 43
Show all 7 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0647
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-03711 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 52
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
Show all 6 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0648
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-03711 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 52
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
Show all 6 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — USN-3545-1
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-03711 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 52
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
Show all 6 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4155
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-03711 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 52
- TI-2018-03693 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2018-03710 Memory corruption in Mozilla Firefox ESRPriority MEDIUM 47
Show all 6 records → Advisory →
Advisory · 2018-06-11
Mozilla Firefox, Firefox ESR, Thunderbird — USN-3688-1
5 records Highest priority Priority MEDIUM 5 MEDIUM
Other records, highest priority first
- TI-2018-03714 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
- TI-2018-03656 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
- TI-2017-05443 Memory corruption in Mozilla FirefoxPriority MEDIUM 48
Show all 5 records → Advisory →

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux Client (v. 7)	Fixed	RHSA-2018:0527, RHSA-2018:0648
Red Hat Enterprise Linux Client Optional (v. 7)	Fixed	RHSA-2018:0527
Red Hat Enterprise Linux Desktop (v. 6)	Fixed	RHSA-2018:0526, RHSA-2018:0647
Red Hat Enterprise Linux Desktop Optional (v. 6)	Fixed	RHSA-2018:0526
Red Hat Enterprise Linux HPC Node Optional (v. 6)	Fixed	RHSA-2018:0526
Red Hat Enterprise Linux Server (v. 6)	Fixed	RHSA-2018:0526
Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2018:0527
Red Hat Enterprise Linux Server Optional (v. 6)	Fixed	RHSA-2018:0526, RHSA-2018:0647
Red Hat Enterprise Linux Server Optional (v. 7)	Fixed	RHSA-2018:0527, RHSA-2018:0648
Red Hat Enterprise Linux Workstation (v. 6)	Fixed	RHSA-2018:0526, RHSA-2018:0647
Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2018:0527, RHSA-2018:0648
Red Hat Enterprise Linux Workstation Optional (v. 6)	Fixed	RHSA-2018:0526
Red Hat Enterprise Linux Workstation Optional (v. 7)	Fixed	RHSA-2018:0527
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)	Fixed	RHSA-2018:0527
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)	Fixed	RHSA-2018:0648

Timeline

2026-10-02 Threatist record created from CVE-2018-5125
2026-10-03 Alias added: GHSA-32j6-x4jq-jq3x

References

Advisory 16

Other 1

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1416529%2C1434580%2C1434384%2C1437450%2C1437507%2C1426988%2C1438425%2C1324042%2C1437087%2C1443865%2C1425520

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

Memory corruption in Mozilla Thunderbird

Key facts

Summary

Why it matters now

SSVC decision points

Affected products

CPE configurations NVD · 14

Remediation

Red Hat 4 advisories

Fixed in the same release

Mozilla Firefox, Firefox ESR, Thunderbird — USN-3596-1

Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0526

Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0527

Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4139

Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0647

Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2018:0648

Mozilla Firefox, Firefox ESR, Thunderbird — USN-3545-1

Mozilla Firefox, Firefox ESR, Thunderbird — DSA-4155

Mozilla Firefox, Firefox ESR, Thunderbird — USN-3688-1