[OE-core][scarthgap][PATCH 2/3] curl: Security Fix for CVE-2026-18924

[Siddharth <sdoshi@mvista.com>]

From: Siddharth Doshi <sdoshi@mvista.com>

Picking patch as per [1], and same patch is mentioned in [2]

[1] https://curl.se/docs/CVE-2026-18924.html
[2] https://security-tracker.debian.org/tracker/CVE-2026-18924

Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
---
 .../curl/curl/CVE-2026-18924.patch            | 39 +++++++++++++++++++
 meta/recipes-support/curl/curl_8.7.1.bb       |  1 +
 2 files changed, 40 insertions(+)
 create mode 100644 meta/recipes-support/curl/curl/CVE-2026-18924.patch

diff --git a/meta/recipes-support/curl/curl/CVE-2026-18924.patch b/meta/recipes-support/curl/curl/CVE-2026-18924.patch
new file mode 100644
index 0000000000..28934ababe
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2026-18924.patch
@@ -0,0 +1,39 @@
+From 90325ff0444cbdff368bda5d26d6405a0bb6ee43 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Wed, 5 Aug 2026 10:02:53 +0200
+Subject: [PATCH] http2: make server push transfers inherit share from parent
+
+Reported-by: Stephan Zeisberg
+Closes #22488
+
+Upstream-Status: Backport [https://github.com/curl/curl/commit/90325ff0444cbdff368bda5d26d6405a0bb6ee43]
+CVE: CVE-2026-18924
+Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
+---
+ lib/http2.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/lib/http2.c b/lib/http2.c
+index 99d7f3b..e6305c9 100644
+--- a/lib/http2.c
++++ b/lib/http2.c
+@@ -47,6 +47,7 @@
+ #include "transfer.h"
+ #include "dynbuf.h"
+ #include "headers.h"
++#include "curl_share.h"
+ /* The last 3 #include files should be in this order */
+ #include "curl_printf.h"
+ #include "curl_memory.h"
+@@ -776,6 +777,8 @@ static struct Curl_easy *h2_duphandle(struct Curl_cfilter *cf,
+       second->req.p.http = http;
+       http2_data_setup(cf, second, &second_stream);
+       second->state.priority.weight = data->state.priority.weight;
++      if(data->share)
++        (void)Curl_share_easy_link(second, data->share);
+     }
+   }
+   return second;
+-- 
+2.34.1
+
diff --git a/meta/recipes-support/curl/curl_8.7.1.bb b/meta/recipes-support/curl/curl_8.7.1.bb
index e75c938938..6fde65d0a6 100644
--- a/meta/recipes-support/curl/curl_8.7.1.bb
+++ b/meta/recipes-support/curl/curl_8.7.1.bb
@@ -42,6 +42,7 @@ SRC_URI = " \
     file://CVE-2026-6253.patch \
     file://CVE-2026-4873.patch \
     file://CVE-2026-13608.patch \
+    file://CVE-2026-18924.patch \
 "
 
 SRC_URI:append:class-nativesdk = " \
-- 
2.34.1