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Red Hat Bugzilla – Attachment 286051 Details for
Bug 421921
Review Request: argyllcms - ICC compatible color management system
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[patch]
Fix buffer overflow in ICC code
argyllcms-0.70-icc-printf.patch (text/plain), 836 bytes, created by
Daniel Berrangé
on 2007-12-12 19:03:09 UTC
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Description:
Fix buffer overflow in ICC code
Filename:
MIME Type:
Creator:
Daniel Berrangé
Created:
2007-12-12 19:03:09 UTC
Size:
836 bytes
patch
obsolete
>diff -rup argyllcms-0.70.orig/icc/icc.c argyllcms-0.70.new/icc/icc.c >--- argyllcms-0.70.orig/icc/icc.c 2007-10-19 21:53:54.000000000 -0400 >+++ argyllcms-0.70.new/icc/icc.c 2007-12-12 13:54:47.000000000 -0500 >@@ -2999,13 +2999,14 @@ static char *string_XYZNumber(icmXYZNumb > /* Helper: Return a string that shows the XYZ number value, */ > /* and the Lab D50 number in paren. */ > static char *string_XYZNumber_and_Lab(icmXYZNumber *p) { >- static char buf[50]; >+ static char buf[100]; > double lab[3]; > lab[0] = p->X; > lab[1] = p->Y; > lab[2] = p->Z; > icmXYZ2Lab(&icmD50, lab, lab); >- sprintf(buf,"%f, %f, %f [Lab %f, %f, %f]", p->X, p->Y, p->Z, lab[0], lab[1], lab[2]); >+ snprintf(buf,sizeof(buf),"%f, %f, %f [Lab %f, %f, %f]", p->X, p->Y, p->Z, lab[0], lab[1], lab[2]); >+ buf[sizeof(buf)-1] = '\0'; > return buf; > } >
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