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Git pushed a commit to branch master
in repository ffmpeg.

commit 337b884a4ea56a84e269a40154328f99731f0d9c
Author:     Niklas Haas <[email protected]>
AuthorDate: Mon Jun 29 16:57:34 2026 +0200
Commit:     Kacper Michajłow <[email protected]>
CommitDate: Mon Jul 27 17:05:20 2026 +0000

    avformat/libcurl: guard against integer overflow on start_request()
    
    The failure mode here is to just request the rest of the file, which is
    explicitly safe.
    
    Sponsored-by: nxtedition AB
    Signed-off-by: Niklas Haas <[email protected]>
---
 libavformat/libcurl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/libcurl.c b/libavformat/libcurl.c
index b6378cb8d5..2d625915ca 100644
--- a/libavformat/libcurl.c
+++ b/libavformat/libcurl.c
@@ -369,7 +369,7 @@ static void start_request(CurlContext *c)
             request_size = c->initial_request_size;
         if (request_size > 0 || c->end_off > 0) {
             int64_t end = INT64_MAX;
-            if (request_size > 0)
+            if (request_size > 0 && start <= INT64_MAX - request_size)
                 end = start + request_size - 1;
             if (c->content_size > 0)
                 end = FFMIN(end, c->content_size - 1);

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