Untrusted search path in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-426.
Summary
On Android systems, Firefox can load a library from APITRACE_LIB, which is writable by all users and applications. This could allow malicious third party applications to execute a man-in-the-middle attack if a malicious code was written to that location and loaded. *Note: This issue only affects Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 66.
Why it matters now
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 66 | 66 | Patch available | CNA |
- Firefox VendorMozilla Affected before 66 Fixed in 66 Patch available CNA
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 66
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 66
21 records Highest priority Priority MEDIUM 10 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2019-07177 Type confusion in Mozilla ThunderbirdPriority MEDIUM 61
- TI-2019-07178 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 57
- TI-2019-07190 OS command injection in Mozilla FirefoxPriority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9798
- 2026-10-03 Alias added: GHSA-6c53-pfqv-mx96
References
More Mozilla Firefox vulnerabilities
- 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
Sources
- CVE-2019-9798 · CVE Program
- CVE-2019-9798 · NVD
- FIRST EPSS
- GHSA-6c53-pfqv-mx96 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences