curl/0007-curl-7.76.1-CVE-2021-22945.patch

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From bb7619897e53ed424e0712ca5a4c93d5fae99715 Mon Sep 17 00:00:00 2001
From: z2_ on hackerone <>
Date: Tue, 24 Aug 2021 09:50:33 +0200
Subject: [PATCH] mqtt: clear the leftovers pointer when sending succeeds
CVE-2021-22945
Bug: https://curl.se/docs/CVE-2021-22945.html
Upstream-commit: 43157490a5054bd24256fe12876931e8abc9df49
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
lib/mqtt.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/mqtt.c b/lib/mqtt.c
index d88fa73..f3fc045 100644
--- a/lib/mqtt.c
+++ b/lib/mqtt.c
@@ -128,6 +128,10 @@ static CURLcode mqtt_send(struct Curl_easy *data,
mq->sendleftovers = sendleftovers;
mq->nsend = nsend;
}
+ else {
+ mq->sendleftovers = NULL;
+ mq->nsend = 0;
+ }
return result;
}
--
2.31.1