CVE-2026-61541
CVE-2026-61541 · Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service
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Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service when an application requests content from an untrusted server, or follows a redirect to one, because a malicious response containing an excessive number of chained `Content-Encoding` values causes Zapros to construct a deeply nested decompression chain that consumes excessive resources. Version 0.14.0 patches the vulnerability by limiting responses to five content-encoding layers and raising `DecodingError` when that limit is exceeded. As a workaround, applications can add response middleware that inspects the `Content-Encoding` header and rejects responses containing more than a safe number of encoding layers.
CVSS 6.9 · Mittel · EPSS 0,4% · Korrektur verfügbar
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Technologie-Stack: python