aacdec: Fix an off-by-one overwrite when switching to LTP profile from MAIN.

Found-by: pawlkt
CC: libav-stable@libav.org
Fixes: CVE-2012-5144
(cherry picked from commit 6d5b0092678b2a95dfe209a207550bd2fe9ef646)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Alex Converse 2012-12-11 17:26:10 -08:00 committed by Reinhard Tartler
parent bb35a42e93
commit a4a63bf5b5

View File

@ -1747,7 +1747,7 @@ static void apply_tns(float coef[1024], TemporalNoiseShaping *tns,
int w, filt, m, i;
int bottom, top, order, start, end, size, inc;
float lpc[TNS_MAX_ORDER];
float tmp[TNS_MAX_ORDER];
float tmp[TNS_MAX_ORDER + 1];
for (w = 0; w < ics->num_windows; w++) {
bottom = ics->num_swb;