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Ruikai Peng 8a71da148e
lavc/aacdec_usac: fix CPE channel index in ff_aac_usac_reset_state() 
fix a simple index bug in ff_aac_usac_reset_state()
that writes past the end of ChannelElement.ch[2] for CPE

ff_aac_usac_reset_state() loops over channels with j < ch, but
incorrectly takes &che->ch[ch]. For CPE (ch == 2) this becomes
che->ch[2], which is one past the end of ChannelElement.ch[2], and the
subsequent memset() causes an intra-object out-of-bounds write.

index the channel element with the loop variable (j).

(cherry picked from commit be82aef7cc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-05-04 15:57:02 +02:00
..
aacdec.c avcodec/aacdec: Fix heap-use-after-free in USAC decoding 2026-05-04 15:56:58 +02:00
aacdec.h aacdec_usac: use RefStruct to track unfinished extension buffers 2025-09-08 02:13:34 +02:00
aacdec_ac.c aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00
aacdec_ac.h aacdec_ac: fix an overread 2024-06-21 10:50:21 +02:00
aacdec_dsp_template.c aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00
aacdec_fixed.c aacdec_dsp: implement 768-point transform and windowing 2024-06-02 18:34:44 +02:00
aacdec_fixed_coupling.h aacdec: move aacdec.h into libavcodec/aac 2024-04-23 08:31:40 +02:00
aacdec_fixed_dequant.h aacdec: move spectrum decode and dequantization to a new file 2024-04-23 08:31:35 +02:00
aacdec_fixed_prediction.h aacdec: move prediction to separate files 2024-04-23 08:31:37 +02:00
aacdec_float.c aacdec_dsp: implement 768-point transform and windowing 2024-06-02 18:34:44 +02:00
aacdec_float_coupling.h aacdec: move aacdec.h into libavcodec/aac 2024-04-23 08:31:40 +02:00
aacdec_float_prediction.h aacdec: move prediction to separate files 2024-04-23 08:31:37 +02:00
aacdec_latm.h aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00
aacdec_lpd.c avcodec/aac/aacdec_lpd: Limit get_unary() 2025-02-26 01:26:33 +01:00
aacdec_lpd.h aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00
aacdec_proc_template.c avcodec/aac/aacdec: Fix linking errors with only one decoder enabled 2024-05-07 12:33:50 +02:00
aacdec_tab.c
aacdec_tab.h
aacdec_usac.c lavc/aacdec_usac: fix CPE channel index in ff_aac_usac_reset_state() 2026-05-04 15:57:02 +02:00
aacdec_usac.h aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00
Makefile aacdec: add a decoder for AAC USAC (xHE-AAC) 2024-06-02 18:34:45 +02:00