tinyproxy: patch CVE-2025-63938

Details: https://nvd.nist.gov/vuln/detail/CVE-2025-63938

Pick the patch referenced by the nvd report.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/tinyproxy/tinyproxy/CVE-2025-63938.patch

@@ -0,0 +1,43 @@
+From cee659d2ac1e4e9d1ce388338f46df6c4bae8278 Mon Sep 17 00:00:00 2001
+From: Gyorgy Sarvari <skandigraun@gmail.com>
+Date: Fri, 17 Oct 2025 22:57:39 +0000
+Subject: [PATCH] reqs: fix integer overflow in port number processing
+
+From: rofl0r <rofl0r@users.noreply.github.com>
+
+closes #586
+
+CVE: CVE-2025-63938
+Upstream-Status: Backport [https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5a]
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/reqs.c | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/src/reqs.c b/src/reqs.c
+index a65ed54..1e5895c 100644
+--- a/src/reqs.c
++++ b/src/reqs.c
+@@ -174,7 +174,7 @@ static int strip_return_port (char *host)
+ {
+         char *ptr1;
+         char *ptr2;
+-        int port;
++        unsigned port;
+ 
+         ptr1 = strrchr (host, ':');
+         if (ptr1 == NULL)
+@@ -186,8 +186,11 @@ static int strip_return_port (char *host)
+                 return 0;
+ 
+         *ptr1++ = '\0';
+-        if (sscanf (ptr1, "%d", &port) != 1)    /* one conversion required */
+-                return 0;
++
++        port = atoi(ptr1);
++        /* check that port string is in the valid range 1-0xffff) */
++        if(strlen(ptr1) > 5 || (port & 0xffff0000)) return 0;
++
+         return port;
+ }
+ 

meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.2.bb

@@ -7,6 +7,7 @@ SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BP}.tar.gz
            file://disable-documentation.patch \
            file://tinyproxy.service \
            file://tinyproxy.conf \
+           file://CVE-2025-63938.patch \
            "
 
 SRC_URI[sha256sum] = "2c8fe5496f2c642bfd189020504ab98d74b9edbafcdb94d9f108e157b5bdf96d"