Denial-of-service (DoS) vulnerability in the in-app browser of LINE client for iOS
LINE client for iOS provided by LY Corporation contains a vulnerability in the in-app browser due to insufficient safeguards when handling arbitrary URL schemes, which may lead to denial-of-service (DoS) condition.
CSIRTS triage
- What
- The in-app browser has a vulnerability that may lead to a denial-of-service condition due to insufficient safeguards.
- Who is affected
- Users of the LINE client for iOS are affected.
- Urgency
- Remediation is necessary to prevent potential denial-of-service attacks.
- Action
- Update the LINE client for iOS to the latest version to resolve the issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://jvn.jp/en/vu/JVNVU94039788/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-38610.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-3861 | coverage & exploitation status | NVD · CVE.org |
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