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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Mon, 28 Sep 2026 07:53:51 +0000</lastBuildDate>
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      <title>CVE-2026-45232 — Rsync &lt; 3.4.3 Off-by-One Stack Write via HTTP Proxy</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-45232</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; RsyncProject rsync&lt;/p&gt;
&lt;p&gt;Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack address when the RSYNC_PROXY environment variable is set.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; RsyncProject rsync&lt;/p&gt;
&lt;p&gt;Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack address when the RSYNC_PROXY environment variable is set.&lt;/p&gt;</content:encoded>
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