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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2026-79775 — rclone Archive Backend SquashFS Parser Denial of Service</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-79775</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; rclone&lt;/p&gt;
&lt;p&gt;rclone versions &amp;gt;= v1.72.0 and &amp;lt;= v1.74.4 (fixed in v1.75.0) contain multiple denial-of-service vulnerabilities in the archive backend&amp;#39;s SquashFS parser, which relies on the github.com/diskfs/go-diskfs dependency. The parser fails to validate attacker-controlled superblock and metadata values before use. An attacker who can place or modify a SquashFS image in storage exposed through an rclone :archive: remote can craft a malicious image that triggers an integer division-by-zero panic (zero block size), an out-of-bounds slice panic (out-of-range inode metadata offset), or a non-progress CPU loop (truncated metadata stream). Variants 1 and 2 terminate the rclone process and, via &amp;#39;rclone serve sftp&amp;#39;, can crash the entire SFTP server; variant 3 causes sustained CPU consumption. Parsing is lazy, so a victim or remote client must address or descend into the malicious archive object to trigger it.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; rclone&lt;/p&gt;
&lt;p&gt;rclone versions &amp;gt;= v1.72.0 and &amp;lt;= v1.74.4 (fixed in v1.75.0) contain multiple denial-of-service vulnerabilities in the archive backend&amp;#39;s SquashFS parser, which relies on the github.com/diskfs/go-diskfs dependency. The parser fails to validate attacker-controlled superblock and metadata values before use. An attacker who can place or modify a SquashFS image in storage exposed through an rclone :archive: remote can craft a malicious image that triggers an integer division-by-zero panic (zero block size), an out-of-bounds slice panic (out-of-range inode metadata offset), or a non-progress CPU loop (truncated metadata stream). Variants 1 and 2 terminate the rclone process and, via &amp;#39;rclone serve sftp&amp;#39;, can crash the entire SFTP server; variant 3 causes sustained CPU consumption. Parsing is lazy, so a victim or remote client must address or descend into the malicious archive object to trigger it.&lt;/p&gt;</content:encoded>
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