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    <lastBuildDate>Wed, 07 Oct 2026 13:10:57 +0000</lastBuildDate>
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      <title>CVE-2026-49414 — ASLR bypass for setuid executables via procctl(2)</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-49414</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; FreeBSD&lt;/p&gt;
&lt;p&gt;The ELF image activator cleared per-process ASLR preference flags for setuid binaries after the code that computes the PIE base address, rather than before.  As a result, a user-requested ASLR disable was still in effect at the point where the base address was chosen.&lt;/p&gt;
&lt;p&gt;An unprivileged local user can disable ASLR for a setuid PIE binary by calling procctl(2) before execve(2).  This makes exploitation of any separate memory corruption vulnerability in that binary significantly easier.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; FreeBSD&lt;/p&gt;
&lt;p&gt;The ELF image activator cleared per-process ASLR preference flags for setuid binaries after the code that computes the PIE base address, rather than before.  As a result, a user-requested ASLR disable was still in effect at the point where the base address was chosen.&lt;/p&gt;
&lt;p&gt;An unprivileged local user can disable ASLR for a setuid PIE binary by calling procctl(2) before execve(2).  This makes exploitation of any separate memory corruption vulnerability in that binary significantly easier.&lt;/p&gt;</content:encoded>
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