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TI-2017-05442 Aliases CVE-2017-7825GHSA-3mv8-qr3m-89rv

Improper input validation in Mozilla Firefox

Priority LOW 27CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Several fonts on OS X display some Tibetan and Arabic characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Why it matters now

EPSS 0.01596 75th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 56Firefox ESR (Mozilla): 52.4+1 more product

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 5656Patch availableCNA
MozillaFirefox ESRbefore 52.452.4Patch availableCNA
MozillaThunderbirdbefore 52.452.4Patch availableCNA
  • Firefox VendorMozilla Affected before 56 Fixed in 56 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 52.4 Fixed in 52.4 Patch available CNA
  • Thunderbird VendorMozilla Affected before 52.4 Fixed in 52.4 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 52.4.0; before 56.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 52.4.0VulnerableMozilla
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*all versionsRunning onApple
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.4.0; before 56.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.4.0 Vulnerable ·Mozilla
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 56
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 52.4
  • Fix · CNA Thunderbird (Mozilla) Fixed in 52.4

Fixed in the same release

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

  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — GLSA-201803-14

    21 records Highest priority Priority MEDIUM 13 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2017-05404 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2017-05403 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    • TI-2017-05441 Memory corruption in Mozilla FirefoxPriority MEDIUM 48
    Show all 21 records → Advisory →

Vendor assessments

Red Hat

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

Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-7825
  2. 2026-10-03 Alias added: GHSA-3mv8-qr3m-89rv

References

Advisory 7

  • 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