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TI-2018-00475 Aliases CVE-2018-0518GHSA-h956-h9q8-3c53

Improper certificate validation in LINE for iOS

Priority LOW 27CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

LINE for iOS version 7.1.3 to 7.1.5 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Why it matters now

EPSS 0.00592 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LINE CorporationLINE for iOSversion 7.1.3 to 7.1.5—No fix listedCNA
  • LINE for iOS VendorLINE Corporation Affected version 7.1.3 to 7.1.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:*7.1.3 – 7.15VulnerableLinecorp
  • cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:* Versions 7.1.3 – 7.15 Vulnerable ·Linecorp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0518
  2. 2026-10-03 Alias added: GHSA-h956-h9q8-3c53

References

  • TI-2024-01613 Improper authentication in LINE Corporation Armeria CVSS 3.1CRITICAL 9.1
  • TI-2023-05112 Improper certificate validation in LINE client for iOS CVSS 3.1CRITICAL 9.8
  • TI-2024-01060 Cross-site scripting in LINE Corporation Central Dogma CVSS 3.1CRITICAL 9.3
  • TI-2023-19873 Paths contain matrix variables bypass decorators CVSS 3.1HIGH 7.5
  • TI-2022-19973 LINE client for iOS before 12.17.0 might be crashed by sharing an invalid shared key of e2ee in group chat. CVSS 3.1HIGH 7.5
  • TI-2021-15992 Missing authorization in LINE Corporation Central Dogma CVSS 3.1HIGH 8.8
See all 26 →

Sources