Unverified50% confidenceFactExact time
The ICQ team's response speed after the vulnerability disclosure was less than ideal, and patch delivery relied on users manually updating, leaving a large number of users exposed to risk for a long time.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn 1998, the instant messaging software ICQ had a major security vulnerability labeled "Major ICQ security hole," whose core problem was serious flaws in how the client handled user authentication and message transmission.72% similarUnverified多用户协作线程中存在「上下文污染」和提示注入（Prompt Injection）等新的信息安全风险70% similar
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