TI-2018-08905 Aliases CVE-2018-12406 GHSA-jw9g-hr3v-p6jp

Memory corruption in Mozilla Firefox

MEDIUM 40CWE-119Published 2019-02-28 · 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. Impact type from CWE-119 and the CVSS impact.

Summary

Mozilla developers and community members reported memory safety bugs present in Firefox 63. 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 Firefox < 64.

Why it matters now

EPSS 0.01134 66th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix Fixed Firefox (Mozilla): 64

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	Firefox	before 64	64	Patch available	CNA

Firefox VendorMozilla Affected before 64 Fixed in 64 Patch available CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 64.0	Vulnerable	Mozilla
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:18.04::::lts:::	18.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*	18.10	Vulnerable	Canonical

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 64.0 Vulnerable ·Mozilla
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:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 64

Fixed in the same release

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

Release · 2019-02-28
Mozilla Firefox 64
10 records Highest priority Priority MEDIUM 7 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2018-13076 Use after free in Mozilla ThunderbirdPriority MEDIUM 54
- TI-2018-13077 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 50
- TI-2018-13082 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 49
Show all 10 records →

Vendor assessments

Red Hat

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

Not affected: 4 products

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8

Timeline

2026-10-02 Threatist record created from CVE-2018-12406
2026-10-03 Alias added: GHSA-jw9g-hr3v-p6jp

References

Exploit 2

Advisory 1

USN-3844-1

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