Read the docs
TI-2020-12343 Aliases CVE-2020-15668GHSA-6f2w-35qh-6j7j

A lock was missing when accessing a data structure and importing certificate information…

Priority LOW 21CWE-667Published · 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
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A lock was missing when accessing a data structure and importing certificate information into the trust database. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Why it matters now

EPSS 0.00539 45th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 80Firefox for Android (Mozilla): 80

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 8080Patch availableCNA
MozillaFirefox for Androidbefore 8080Patch availableCNA
  • Firefox VendorMozilla Affected before 80 Fixed in 80 Patch available CNA
  • Firefox for Android VendorMozilla Affected before 80 Fixed in 80 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*before 80.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*before 80.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:* Versions before 80.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:* Versions before 80.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 80
  • Fix · CNA Firefox for Android (Mozilla) Fixed in 80

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 80

    7 records Highest priority Priority MEDIUM 3 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2020-12338 Uncontrolled search path in Mozilla FirefoxPriority MEDIUM 43
    • TI-2020-12342 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 41
    • TI-2020-12345 Race condition in Mozilla FirefoxPriority MEDIUM 40
    Show all 7 records →
  • Release ·

    Mozilla Firefox for Android 80

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2020-12345 Race condition in Mozilla FirefoxPriority MEDIUM 40
    • TI-2020-12339 Incorrect authorization in Mozilla FirefoxPriority LOW 32
    • TI-2020-12341 Information disclosure through error messages in Mozilla FirefoxPriority LOW 31
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15668
  2. 2026-10-03 Alias added: GHSA-6f2w-35qh-6j7j

References

Advisory 3

  • 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