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openSUSE:Leap:15.1
snack
snack-CVE-2012-6303.patch
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File snack-CVE-2012-6303.patch of Package snack
Index: snack2.2.10/generic/jkSoundFile.c =================================================================== --- snack2.2.10.orig/generic/jkSoundFile.c +++ snack2.2.10/generic/jkSoundFile.c @@ -1793,7 +1793,14 @@ static int GetHeaderBytes(Sound *s, Tcl_Interp *interp, Tcl_Channel ch, char *buf, int len) { - int rlen = Tcl_Read(ch, &buf[s->firstNRead], len - s->firstNRead); + int rlen; + + if (len > max(CHANNEL_HEADER_BUFFER, HEADBUF)){ + Tcl_AppendResult(interp, "Excessive header size", NULL); + return TCL_ERROR; + } + + rlen = Tcl_Read(ch, &buf[s->firstNRead], len - s->firstNRead); if (rlen < len - s->firstNRead){ Tcl_AppendResult(interp, "Failed reading header bytes", NULL);
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