CVE-2026-19484
CVE-2026-19484: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-19484] Denial of Service via oversized multipart boundary
CVE-2026-19484Source published Source updated
@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search stores its skip table in a fixed 256 entry byte array, and a boundary of exactly 252 bytes makes the search needle 256 bytes, which truncates the default skip distance to zero and turns the search into a CPU bound loop on a small body. A single small request can keep one core busy and deny service to other requests handled by the same process. The issue is fixed in @fastify/busboy 3.2.1, which widens the skip table so the skip distance is preserved. Users should upgrade to 3.2.1. This can cause the Node.js event loop to stall, leading…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- 3.1.0
- 3.2.0
- Source-reported fixed versions
- 3.2.1
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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