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このページは Ubuntu 向けの修正状況です。脆弱性そのものの説明は CVE 本体のページにあります。 CVE-2026-100890 の詳細 →
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UBUNTU-CVE-2026-100890

A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_spf_ipv6_explode in th...

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)。

A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_spf_ipv6_explode in the library libopendmarc/opendmarc_spf.c of the component SPF Parser. This manipulation of the argument cp causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Ubuntu:Pro:16.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.10 opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS opendmarc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

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