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openSUSE:Evergreen:11.1
perl-Tk
Tk-804.028-CVE-2006-4484.diff
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File Tk-804.028-CVE-2006-4484.diff of Package perl-Tk
--- pTk/mTk/additions/imgGIF.c +++ pTk/mTk/additions/imgGIF.c @@ -776,7 +776,7 @@ /* * Initialize the decoder */ - if (! ReadOK(handle,&initialCodeSize,1)) { + if (! ReadOK(handle,&initialCodeSize,1) || inititalCodeSize > MAX_LWZ_BITS) { Tcl_AppendResult(interp, "error reading GIF image: ", Tcl_PosixError(interp), (char *) NULL); return TCL_ERROR; --- pTk/mTk/generic/tkImgGIF.c +++ pTk/mTk/generic/tkImgGIF.c @@ -826,7 +826,7 @@ /* * Initialize the decoder */ - if (! ReadOK(chan, &initialCodeSize, 1)) { + if (! ReadOK(chan, &initialCodeSize, 1) || initialCodeSize > MAX_LWZ_BITS) { Tcl_AppendResult(interp, "error reading GIF image: ", Tcl_PosixError(interp), (char *) NULL); return TCL_ERROR;
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