TI-2018-03685 Aliases CVE-2018-5118 GHSA-qwv3-5w4v-cwp9

Information disclosure in Mozilla Firefox

LOW 27CWE-200Published 2018-06-11 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.

Why it matters now

EPSS 0.01526 74th percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 58

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 58	58	Patch available	CNA

Firefox VendorMozilla Affected before 58 Fixed in 58 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	up to 57.0.4	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:17.10:::::::*	17.10	Vulnerable	Canonical

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 57.0.4 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:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 58

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 — USN-3544-1
30 records Highest priority Priority MEDIUM 16 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2018-03671 Use after free in Mozilla ThunderbirdPriority MEDIUM 52
- TI-2018-03669 Use after free in Mozilla ThunderbirdPriority MEDIUM 52
- TI-2018-03664 Use after free in Mozilla ThunderbirdPriority MEDIUM 52
Show all 30 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-5118
2026-10-03 Alias added: GHSA-qwv3-5w4v-cwp9

References

Advisory 2

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1420049

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