CVE-2021-32666: Wire

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1.

Affected products

• Wire Wire: before 3.81 (fixed in 3.81)

Published 2021-06-03. Last modified 2026-06-17.