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Vulnerability record · CVE-2026-97057 · published 24 September 2026

CVE-2026-97057: redis-parser through 3.0.0 fails to validate the multi-bulk length value in RESP protocol parsing, allowing at…

redis-parser through 3.0.0 fails to validate the multi-bulk length value in RESP protocol parsing, allowing attackers to trigger an uncaught RangeError by supplying an excessively large declared length. A malicious or compromised Redis endpoint can deliver a crafted RESP header with a length above 2^32-1 to crash the Node.js client process.

8.7 CVSS 4.0 High EPSS 0.39% · top 69.2% CWE-1284 · CWE-1284 Deferred
8.7CVSS 4.0 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
24 Sep 2026Last modified by NVD

Description

redis-parser through 3.0.0 fails to validate the multi-bulk length value in RESP protocol parsing, allowing attackers to trigger an uncaught RangeError by supplying an excessively large declared length. A malicious or compromised Redis endpoint can deliver a crafted RESP header with a length above 2^32-1 to crash the Node.js client process.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/NodeRedis/node-redis-parser
https://github.com/NodeRedis/node-redis-parser/blob/4c2d31c8717f05dea1ffd91a0e45d68f452c73bd/lib/parser.js#L108-L122
https://github.com/NodeRedis/node-redis-parser/blob/4c2d31c8717f05dea1ffd91a0e45d68f452c73bd/lib/parser.js#L212
https://github.com/NodeRedis/node-redis-parser/blob/4c2d31c8717f05dea1ffd91a0e45d68f452c73bd/lib/parser.js#L492-L550
https://github.com/NodeRedis/node-redis-parser/issues/47
https://github.com/NodeRedis/node-redis-parser/issues/65
https://www.vulncheck.com/advisories/redis-parser-through-3.0.0-denial-of-service-via-invalid-array-length

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Source: NIST National Vulnerability Database (record CVE-2026-97057), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.