actix-http before 3.20.1 and actix-web before 4.18.2 contain an unbounded decompression vulnerability in encoding::Decoder that lets remote attackers exhaust memory and CPU via compressed bodies. Attackers can send small highly compressed gzip, deflate, Brotli or zstd request bodies to Json, Form, Bytes or String extractors, or serve them to awc clients, causing denial of service.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 13 Nov 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | actix-http before 3.20.1 and actix-web before 4.18.2 contain an unbounded decompression vulnerability in encoding::Decoder that lets remote attackers exhaust memory and CPU via compressed bodies. Attackers can send small highly compressed gzip, deflate, Brotli or zstd request bodies to Json, Form, Bytes or String extractors, or serve them to awc clients, causing denial of service. | |
| Title | actix-http before 3.20.1 and actix-web before 4.18.2 Decompression Bomb DoS via encoding::Decoder | |
| First Time appeared |
Actix
Actix actix-http Actix actix-web |
|
| Weaknesses | CWE-409 | |
| CPEs | cpe:2.3:a:actix:actix-http:*:*:*:*:*:*:*:* cpe:2.3:a:actix:actix-web:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Actix
Actix actix-http Actix actix-web |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-13T09:33:45.553Z
Reserved: 2026-11-12T23:11:45.421Z
Link: CVE-2026-128242
No data.
Status : Received
Published: 2026-11-13T10:18:12.180
Modified: 2026-11-13T10:18:12.180
Link: CVE-2026-128242
No data.
OpenCVE Enrichment
No data.
Weaknesses