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GNU Emacs vulnerability upon opening arbitrary file

medoss_secPublished 2026-08-20

<p>Posted by Sam James on Aug 19</p>Eshel Yaron has shared an arbitrary code execution bug in GNU Emacs<br /> exploitable upon opening an file. It affects &gt;= Emacs 28.1.<br /> <br /> The reporter has a writeup at<br /> <a href="https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html" rel="nofollow">https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-executio

Indicators of compromise

Original source: https://seclists.org/oss-sec/2026/q3/524