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(decode_composition_emacs_mule):
author
Richard M. Stallman
<rms@gnu.org>
Fri, 1 Feb 2002 04:34:21 +0000
(
04:34
+0000)
committer
Richard M. Stallman
<rms@gnu.org>
Fri, 1 Feb 2002 04:34:21 +0000
(
04:34
+0000)
Give up if NCOMPONENT gets too large to index `component'.
src/coding.c
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diff --git
a/src/coding.c
b/src/coding.c
index
88ff0ca
..
37a5e88
100644
(file)
--- a/
src/coding.c
+++ b/
src/coding.c
@@
-811,6
+811,10
@@
decode_composition_emacs_mule (coding, src, src_end,
return 0;
for (ncomponent = 0; src < src_base + data_len; ncomponent++)
{
+ /* If it is longer than this, it can't be valid. */
+ if (ncomponent >= COMPOSITION_DATA_MAX_BUNCH_LENGTH)
+ return 0;
+
if (ncomponent % 2 && with_rule)
{
ONE_MORE_BYTE (gref);