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in repository ffmpeg.
The following commit(s) were added to refs/heads/master by this push:
new f8f84348df avcodec/targa: reject truncated RLE packet payloads
f8f84348df is described below
commit f8f84348dfe1a80d38e7dbbcddcdd5d92a760dfd
Author: Trithem90 <[email protected]>
AuthorDate: Tue Sep 1 21:44:45 2026 +0200
Commit: Michael Niedermayer <[email protected]>
CommitDate: Tue Sep 29 17:46:34 2026 +0200
avcodec/targa: reject truncated RLE packet payloads
Fixes: 1j9froqh2wEw
Regression since: 2ad405548b754751a33f7d8532604eae7fe4ce54
Fixes: use-of-uninitialized-value
Found-by: Trithem90 <[email protected]>
---
libavcodec/targa.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/libavcodec/targa.c b/libavcodec/targa.c
index 7e016ea4af..10092ab3cb 100644
--- a/libavcodec/targa.c
+++ b/libavcodec/targa.c
@@ -69,7 +69,12 @@ static int targa_decode_rle(AVCodecContext *avctx,
TargaContext *s,
if (!type) {
do {
int n = FFMIN(count, w - x);
- bytestream2_get_buffer(&s->gb, dst, n * depth);
+ if (bytestream2_get_bytes_left(&s->gb) < n * depth) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Not enough data for raw RLE packet\n");
+ return AVERROR_INVALIDDATA;
+ }
+ bytestream2_get_bufferu(&s->gb, dst, n * depth);
count -= n;
dst += n * depth;
x += n;
@@ -80,7 +85,11 @@ static int targa_decode_rle(AVCodecContext *avctx,
TargaContext *s,
} while (dst && count > 0);
} else {
uint8_t tmp[4];
- bytestream2_get_buffer(&s->gb, tmp, depth);
+ if (bytestream2_get_buffer(&s->gb, tmp, depth) != depth) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Not enough data for RLE pixel\n");
+ return AVERROR_INVALIDDATA;
+ }
do {
int n = FFMIN(count, w - x);
count -= n;
--
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