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Date: Thu, 11 Feb 2021 23:43:29 +0100
From: "Jens Geyer" <>
To: <>,
	"Thrift-Dev" <>,
Subject: CVE-2020-13949: Apache Thrift: potential DoS when processing untrusted payloads

CVE-2020-13949: potential DoS when processing untrusted Thrift payloads

Severity: Important

The Apache Software Foundation

Versions Affected:
Apache Thrift up to and including 0.13.0

Applications using Thrift would not error upon receiving messages declaring containers of sizes larger than the payload. As a result, malicious RPC clients could send short messages which would result in a large memory allocation, potentially leading to denial of service.

Upgrade to version 0.14.0

This issue was reported by Hasnain Lakhani of Facebook.

On behalf of the Apache Thrift PMC,
Jens Geyer

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