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https://git.in.rschanz.org/ryan77627/guix.git
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21 lines
644 B
Diff
21 lines
644 B
Diff
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Copied from Debian
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Description: OOB write in gif2tiff
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Bug-Redhat: https://bugzilla.redhat.com/show_bug.cgi?id=996468
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Index: tiff-4.0.3/tools/gif2tiff.c
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===================================================================
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--- tiff-4.0.3.orig/tools/gif2tiff.c 2013-08-24 11:17:13.546447901 -0400
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+++ tiff-4.0.3/tools/gif2tiff.c 2013-08-24 11:17:13.546447901 -0400
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@@ -400,6 +400,10 @@
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}
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if (oldcode == -1) {
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+ if (code >= clear) {
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+ fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
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+ return 0;
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+ }
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*(*fill)++ = suffix[code];
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firstchar = oldcode = code;
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return 1;
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