curl: Security Fix for CVE-2026-13608

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

[1] https://curl.se/docs/CVE-2026-13608.html
[2] https://security-tracker.debian.org/tracker/CVE-2026-13608

(From OE-Core rev: f6723c7d390e1901dd422eb72aeebf145fabdfab)

Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Paul Barker <paul@pbarker.dev>

meta/recipes-support/curl/curl/CVE-2026-13608.patch

@@ -0,0 +1,48 @@
+From 25df759f0f0c1aeaee066a4502bb36a8a86fb22e Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Mon, 29 Jun 2026 10:44:47 +0200
+Subject: [PATCH 1/5] openldap: handle Curl_sasl_continue() returns better
+
+Similar to how it gets treated already in other protocol handlers.
+
+Follow-up to eeca818b1e8d1e61c2d4
+
+Reported-by: Eunsoo Kim
+Closes #22213
+
+Upstream-Status: Backport [https://github.com/curl/curl/commit/ea71c3b6b60e563651ea8596a975aef0c8199519]
+CVE: CVE-2026-13608
+Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
+---
+ lib/openldap.c | 15 +++++++++++++--
+ 1 file changed, 13 insertions(+), 2 deletions(-)
+
+diff --git a/lib/openldap.c b/lib/openldap.c
+index 47266f6..b566d1a 100644
+--- a/lib/openldap.c
++++ b/lib/openldap.c
+@@ -682,8 +682,19 @@ static CURLcode oldap_state_sasl_resp(struct Curl_easy *data,
+   }
+   else {
+     result = Curl_sasl_continue(&li->sasl, data, code, &progress);
+-    if(!result && progress != SASL_INPROGRESS)
+-      oldap_state(data, OLDAP_STOP);
++    if(!result) {
++      switch(progress) {
++      case SASL_DONE:
++        oldap_state(data, li, OLDAP_STOP);   /* Authenticated */
++        break;
++      case SASL_IDLE:            /* No mechanism left after cancellation */
++        failf(data, "Authentication cancelled");
++        result = CURLE_LOGIN_DENIED;
++        break;
++      default:
++        break;
++      }
++    }
+   }
+ 
+   if(li->servercred)
+-- 
+2.34.1
+

meta/recipes-support/curl/curl_8.7.1.bb

@@ -41,6 +41,7 @@ SRC_URI = " \
     file://CVE-2026-5545.patch \
     file://CVE-2026-6253.patch \
     file://CVE-2026-4873.patch \
+    file://CVE-2026-13608.patch \
 "
 
 SRC_URI:append:class-nativesdk = " \