In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount...

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Debian:12 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.6-2"}]}]

Debian:13 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.6-2"}]}]

Debian:14 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.6-2"}]}]

Debian:12 libxmltok

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

参照URL

advisory security-tracker.debian.org