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