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- Security fix

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fix out of bound error, introduced in jumbo2 patch
Reported by:	naddy (Christian Weisgerber)
Submitted by:	Patrick Keshishian
Obtained from:	openbsd
Feature safe:	yes
This commit is contained in:
Dirk Meyer 2009-09-25 06:21:42 +00:00
parent 3869973c5d
commit ba1248c3ca
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=242057
2 changed files with 22 additions and 1 deletions
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2
graphics/xv/Makefile
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@ -7,7 +7,7 @@
PORTNAME= xv
PORTVERSION= 3.10a
PORTREVISION= 10
PORTREVISION= 11
CATEGORIES+= graphics
MASTER_SITES= ftp://ftp.cis.upenn.edu/pub/xv/:base \
SF/png-mng/XV%20jumbo%20patches/20070520

21
graphics/xv/files/patch-xvjpeg.c Normal file
View file

@ -0,0 +1,21 @@
$OpenBSD$
--- xvjpeg.c.orig Fri Aug 28 13:41:30 2009
+++ xvjpeg.c Fri Aug 28 18:58:46 2009
@@ -696,7 +696,7 @@ L2:
if ((cmy = *q++ - k) < 0) cmy = 0; *p++ = cmy; /* R */
if ((cmy = *q++ - k) < 0) cmy = 0; *p++ = cmy; /* G */
if ((cmy = *q++ - k) < 0) cmy = 0; *p++ = cmy; /* B */
- } while (++q <= pic_end);
+ } while (++q < pic_end);
}
else { /* assume normal data */
register byte *q = pic;
@@ -707,7 +707,7 @@ L2:
if ((cmy = k - *q++) < 0) cmy = 0; *p++ = cmy; /* R */
if ((cmy = k - *q++) < 0) cmy = 0; *p++ = cmy; /* G */
if ((cmy = k - *q++) < 0) cmy = 0; *p++ = cmy; /* B */
- } while (++q <= pic_end);
+ } while (++q < pic_end);
}
pic = realloc(pic,p-pic); /* Release extra storage */
}