From: Julian Andres Klode <jak@debian.org>
Date: Tue, 29 Dec 2015 13:37:14 +0000 (+0100)
Subject: pkgTagSection::Scan: Fix read of uninitialized value
X-Git-Tag: 1.1.10~4
X-Git-Url: https://git.saurik.com/apt.git/commitdiff_plain/67c90775b650efe89d7d784cf913526cc3b63d07?ds=sidebyside

pkgTagSection::Scan: Fix read of uninitialized value

We ignored the boundary of the buffer we were reading in
while scanning for spaces.
---

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index a0b64f9ca..d5e61baf4 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -382,7 +382,7 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const R
 	 lastTagHash = AlphaHash(Stop, EndTag - Stop);
 	 // find the beginning of the value
 	 Stop = Colon + 1;
-	 for (; isspace_ascii(*Stop) != 0; ++Stop)
+	 for (; Stop < End && isspace_ascii(*Stop) != 0; ++Stop)
 	    if (*Stop == '\n' && Stop[1] != ' ')
 	       break;
 	 if (Stop >= End)