undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| undici | undici | unaffected |
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Configuration 1 [-]
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No data.
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| Undici | Undici |
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| Source | ID | Title |
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Github GHSA |
GHSA-3wwx-pv8p-q78v | undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.412% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Nodejs
Nodejs undici |
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| CPEs | cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Nodejs
Nodejs undici |
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|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Undici
Undici undici |
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| Vendors & Products |
Undici
Undici undici |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-431 | |
| References |
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| Metrics |
threat_severity
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threat_severity
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| Description | undici bundles a WebSocket client whose permessage-deflate size-limit cleanup removes all listeners from the internal zlib inflate stream, including its error listener, while that stream can still emit. When a remote peer sends a compressed payload that crosses the built-in 128 MiB decompressed-payload limit and then contains a malformed DEFLATE byte, the inflate stream emits a data error with no listener attached, which Node.js treats as a fatal unhandled error and terminates the entire process. Exploitation is remote and unauthenticated, requires no application mistake, and is asymmetric, since roughly 130 KB on the wire expands past the limit and crashes the process, and reconnecting can repeat the crash. This affects undici versions from 6.25.0 up to 6.28.1, from 7.28.0 up to 7.29.1, and from 8.1.0 up to 8.10.2. Users should upgrade to undici 6.28.1, 7.29.1, or 8.10.2. | |
| Title | undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression | |
| Weaknesses | CWE-248 | |
| References |
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| Metrics |
cvssV3_1
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