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This low-severity CVE scores 3.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 44% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target. Version 1.0.1n fixes this issue. As a workaround, set the matrixHandler.eventCacheSize config value to 0. This workaround may impact performance.
August 4, 2023
November 21, 2024
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| matrix-appservice-irc | — | 1.0.1 | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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CWE-200