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Fix htmlfontify.el command injection vulnerability.

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* lisp/htmlfontify.el (hfy-text-p): Fix command injection
vulnerability.  (Bug#60295)

(cherry picked from commit 1b4dc4691c)
This commit is contained in:
Xi Lu 2022-12-24 16:28:54 +08:00 • committed by Stefan Kangas
parent ae9bfed50d
commit 807d2d5b3a
1 changed files with 1 additions and 1 deletions
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2
lisp/htmlfontify.el
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@ -1882,7 +1882,7 @@ Hardly bombproof, but good enough in the context in which it is being used."
(defun hfy-text-p (srcdir file)
"Is SRCDIR/FILE text? Use `hfy-istext-command' to determine this."
(let* ((cmd (format hfy-istext-command (expand-file-name file srcdir)))
(let* ((cmd (format hfy-istext-command (shell-quote-argument (expand-file-name file srcdir))))
(rsp (shell-command-to-string cmd)))
(string-match "text" rsp)))