TI-2024-08713 Aliases CVE-2024-9391 GHSA-p5hw-4fxj-g4x6

Authentication bypass by spoofing in Mozilla Firefox

LOW 29CWE-290Published 2024-10-01 · Updated 2024-11-22

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.

Summary

A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible. *This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0028 20th percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 131

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 131	131	Patch available	CNA

Firefox VendorMozilla Affected before 131 Fixed in 131 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 131.0	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 131.0 Vulnerable ·Mozilla

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 131

Fixed in the same release

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

Release · 2024-10-01
Mozilla Firefox 131
13 records Highest priority Priority MEDIUM 5 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2024-08724 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08723 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08714 Origin validation error in Mozilla FirefoxPriority MEDIUM 50
Show all 13 records →

Vendor assessments

Red Hat

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

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2024-9391
2026-10-03 Alias added: GHSA-p5hw-4fxj-g4x6

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2024-46/

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1892407

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