PR #23428 opened by michaelni
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23428
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23428.patch

Fixes out of array access

Found-by: Cloud-LHY (@Clouditera-lhy) / VulnForge Security Research Team
Signed-off-by: Michael Niedermayer <[email protected]>



>From c25fe9ec2e1e148abed70a21c7430ac76b7e698d Mon Sep 17 00:00:00 2001
From: haoyuLiu <[email protected]>
Date: Wed, 10 Jun 2026 03:40:50 +0200
Subject: [PATCH] avformat/http: reject request-line tokens not terminated by
 whitespace

Fixes out of array access

Found-by: Cloud-LHY (@Clouditera-lhy) / VulnForge Security Research Team
Signed-off-by: Michael Niedermayer <[email protected]>
---
 libavformat/http.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/http.c b/libavformat/http.c
index fca9f55fe6..e0cf9e7424 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -1189,6 +1189,8 @@ static int process_line(URLContext *h, char *line, int 
line_count, int *parsed_h
             method = p;
             while (*p && !av_isspace(*p))
                 p++;
+            if (!av_isspace(*p))
+                return ff_http_averror(400, AVERROR(EIO));
             *(p++) = '\0';
             av_log(h, AV_LOG_TRACE, "Received method: %s\n", method);
             if (s->method) {
@@ -1215,6 +1217,8 @@ static int process_line(URLContext *h, char *line, int 
line_count, int *parsed_h
             resource = p;
             while (*p && !av_isspace(*p))
                 p++;
+            if (!av_isspace(*p))
+                return ff_http_averror(400, AVERROR(EIO));
             *(p++) = '\0';
             av_log(h, AV_LOG_TRACE, "Requested resource: %s\n", resource);
             if (!(s->resource = av_strdup(resource)))
-- 
2.52.0

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