CVE-2022-23625: DoS vulnerability: Malformed Resource Identifiers

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-11 · updated 2026-06-17
Weakness: CWE-755

Description

Wire-ios is a messaging application using the wire protocol on apple's ios platform. In versions prior to 3.95 malformed resource identifiers may render the iOS Wire Client completely unusable by causing it to repeatedly crash on launch. These malformed resource identifiers can be generated and sent between Wire users. The root cause lies in [wireapp/wire-ios-transport](https://github.com/wireapp/wire-ios-transport), where code responsible for removing sensible tokens before logging may fail and lead to a crash (Swift exception) of the application. This causes undesirable behavior, however the (greater) Wire system is still functional. Users are advised to upgrade as soon as possible. There are no known workarounds for this issue.

Affected products

wireapp wire-ios: before 3.95 — fixed in 3.95
Wire-Ios-Transport: before 84.1.1 — fixed in 84.1.1

How to fix

Upgrade to a fixed version: wireapp wire-ios 3.95; Wire-Ios-Transport 84.1.1. Check the vendor advisory for mitigations.

References

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