RUSTSEC-2026-0448

Source
https://rustsec.org/advisories/RUSTSEC-2026-0448
Import Source
https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0448.json
JSON Data
https://api.osv.dev/v1/vulns/RUSTSEC-2026-0448
Aliases
Published
2026-11-06T12:00:00Z
Modified
2026-11-06T14:56:05Z
Summary
Unbounded decompression can exhaust memory and CPU resources
Details

The encoding::Decoder stream can expand compressed input into a large output buffer before a caller can enforce its body size limit. An attacker who controls a compressed request or response can cause excessive memory allocation and CPU use, resulting in denial of service.

This affects applications that decode untrusted gzip, deflate, Brotli, or Zstandard bodies with the corresponding compression feature enabled.

Upgrade to actix-http 3.20.1 or later and configure Decoder::limit() when using the decoder directly. Actix Web users must also upgrade to actix-web 4.18.2 or later so that extractors pass their limits to the decoder.

Database specific
{
    "license": "CC0-1.0"
}
References

Affected packages

crates.io / actix-http

Package

Name
actix-http
View open source insights on deps.dev
Purl
pkg:cargo/actix-http

Affected ranges

Type
SEMVER
Events
Introduced
0.0.0-0
Fixed
3.20.1

Ecosystem specific

{
    "affected_functions": null,
    "affects": {
        "arch": [],
        "functions": [],
        "os": []
    }
}

Database specific

categories
[
    "denial-of-service"
]
cvss
null
informational
null
source
"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0448.json"