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TI-2019-08806 Aliases CVE-2019-11749GHSA-4v6f-vqcf-8j87

A vulnerability exists in WebRTC where malicious web content can use probing techniques…

Priority LOW 22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 1 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. This allows for the potential fingerprinting of users. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Why it matters now

EPSS 0.00896 59th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 69Firefox ESR (Mozilla): 68.1Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 6969Patch availableCNA
MozillaFirefox ESRbefore 68.168.1Patch availableCNA
  • Firefox VendorMozilla Affected before 69 Fixed in 69 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 68.1 Fixed in 68.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 69.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 68.1.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 69.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 68.1.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 69
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 68.1

Red Hat 1 advisory

  • RHSA-2019:2663 Released 2019-09-04 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-68.1.0-1.el8_0

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-2019-08808 Logging-related command line parameters are not properly sanitized when Firefox is…Priority MEDIUM 40
    • TI-2019-08792 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
    Show all 12 records →
  • Release ·

    Mozilla Firefox ESR 68.1

    8 records Highest priority Priority MEDIUM 2 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2019-08808 Logging-related command line parameters are not properly sanitized when Firefox is…Priority MEDIUM 40
    • TI-2019-08792 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
    • TI-2019-08807 Type confusion in Mozilla FirefoxPriority LOW 31
    Show all 8 records →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:2663
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11749
  2. 2026-10-03 Alias added: GHSA-4v6f-vqcf-8j87

References

Advisory 5

  • 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