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Description: Fix buffer overflow causing an invalid pointer free().
Author: Guillem Jover <guillem@debian.org>
Origin: vendor
Bug-Debian: https://bugs.debian.org/774015
Forwarded: no
Last-Update: 2015-02-26
---
decode.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/decode.c
+++ b/decode.c
@@ -255,7 +255,7 @@ void read_pt_len(int nn, int nbit, int i
if(i==i_special)
{
c=getbits(2);
- while(--c>=0)
+ while(--c>=0&&i<nn)
pt_len[i++]=0;
}
}
@@ -314,10 +314,10 @@ void read_c_len()
c=getbits(CBIT);
c+=20;
}
- while(--c>=0)
+ while(--c>=0&&i<NC)
c_len[i++]=0;
}
- else
+ else if (i<NC)
c_len[i++]=(unsigned char)(c-2);
}
while(i<NC)
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