Logging-related command line parameters are not properly sanitized when Firefox is…
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
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-88.
Summary
Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. This can be used to write a log file to an arbitrary location such as the Windows 'Startup' folder. <br>*Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
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 69 | 69 | Patch available | CNA |
| Mozilla | Firefox ESR | before 68.1 | 68.1 | Patch available | CNA |
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 69
- Fix · CNA Firefox ESR (Mozilla) Fixed in 68.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 69
12 records Highest priority Priority MEDIUM 3 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2019-08791 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 45
- TI-2019-08792 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
- TI-2019-08810 The Firefox installer allows Firefox to be installed to a custom user writable location…Priority LOW 33
- Release ·
Mozilla Firefox ESR 68.1
8 records Highest priority Priority MEDIUM 2 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2019-08792 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
- TI-2019-08807 Type confusion in Mozilla FirefoxPriority LOW 31
- TI-2019-08805 WebRTC in Firefox will honor persisted permissions given to sites for access to…Priority LOW 31
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11751
- 2026-10-03 Alias added: GHSA-mm6c-gvcp-4p56
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-2019-11751 · CVE Program
- CVE-2019-11751 · NVD
- FIRST EPSS
- GHSA-mm6c-gvcp-4p56 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-11751 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences