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    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Mon, 02 Nov 2026 01:14:29 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-17106 — Tar extraction in moby/go-archive can write outside the destination directory via link following</title>
      <link>https://db.gcve.eu/vuln/cve-2026-17106</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; moby go-archive, Docker Sandboxes, Docker Desktop, Docker Engine, Docker CLI, Docker Compose&lt;/p&gt;
&lt;p&gt;The tar extraction routines in moby/go-archive (Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers) do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so links introduced by the archive can be followed out of the destination directory. An attacker who controls the contents of an archive can create or overwrite files at arbitrary paths writable by the extracting process.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; moby go-archive, Docker Sandboxes, Docker Desktop, Docker Engine, Docker CLI, Docker Compose&lt;/p&gt;
&lt;p&gt;The tar extraction routines in moby/go-archive (Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers) do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so links introduced by the archive can be followed out of the destination directory. An attacker who controls the contents of an archive can create or overwrite files at arbitrary paths writable by the extracting process.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-17106</guid>
    </item>
    <item>
      <title>GHSA-hfg8-hc9c-6c3h — moby/go-archive: Crafted tar archive can write outside the extraction directory</title>
      <link>https://db.gcve.eu/vuln/ghsa-hfg8-hc9c-6c3h</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Go: github.com/moby/go-archive&lt;/p&gt;
&lt;p&gt;### Summary
The tar extraction routines in `moby/go-archive` (`Unpack`, `UnpackLayer`, `Untar`/`UntarUncompressed`, and the `ApplyLayer` helpers) do not confine filesystem operations to the destination directory. A crafted archive can create or overwrite files **outside** the intended destination.&lt;/p&gt;
&lt;p&gt;### Details
The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so a links introduced by the archive can be followed out of the destination directory.&lt;/p&gt;
&lt;p&gt;### Impact
An attacker who controls the contents of archive can create or overwrite files at arbitrary paths writable by the extracting process.&lt;/p&gt;
&lt;p&gt;### Workarounds
Only extract trusted archives.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Go: github.com/moby/go-archive&lt;/p&gt;
&lt;p&gt;### Summary
The tar extraction routines in `moby/go-archive` (`Unpack`, `UnpackLayer`, `Untar`/`UntarUncompressed`, and the `ApplyLayer` helpers) do not confine filesystem operations to the destination directory. A crafted archive can create or overwrite files **outside** the intended destination.&lt;/p&gt;
&lt;p&gt;### Details
The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so a links introduced by the archive can be followed out of the destination directory.&lt;/p&gt;
&lt;p&gt;### Impact
An attacker who controls the contents of archive can create or overwrite files at arbitrary paths writable by the extracting process.&lt;/p&gt;
&lt;p&gt;### Workarounds
Only extract trusted archives.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/ghsa-hfg8-hc9c-6c3h</guid>
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