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このページは Debian 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-2026-42494 の詳細 →
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DEBIAN-CVE-2026-42494

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Ro...

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)。

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them: * The directory loop itself assumes a good record length. This is CVE-2026-42494. * The calculation of the System Use area may underflow. This is CVE-2026-42495. * The Rock Ridge extension loop assumes a good (inner) record length. This is CVE-2026-62423. * The Rock Ridge NM record processing assumes a good entry length. This is CVE-2026-62424. * The Rock Ridge CE record processing assumes a good size and offset. This is CVE-2026-62425.

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Debian:12 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.7-0+deb12u1"}]}]
Debian:13 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.3+127-gc42374a105-0+deb13u1"}]}]
Debian:14 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.3+127-gc42374a105-1"}]}]

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