Fix CVE-2025-23016

(cherry picked from commit de9f1d1b632815e9292d582fe619682b1dbcce9e)

CVE-2025-23016.patch

@@ -0,0 +1,38 @@
+From b0eabcaf4d4f371514891a52115c746815c2ff15 Mon Sep 17 00:00:00 2001
+From: Pycatchown <39068868+Pycatchown@users.noreply.github.com>
+Date: Tue, 8 Apr 2025 17:39:30 +0200
+Subject: [PATCH] Update fcgiapp.c
+
+Origin: https://github.com/FastCGI-Archives/fcgi2/commit/b0eabcaf4d4f371514891a52115c746815c2ff15
+
+Fixing an integer overflow (CVE-2025-23016)
+---
+ libfcgi/fcgiapp.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/libfcgi/fcgiapp.c b/libfcgi/fcgiapp.c
+index 4ffe318..99c3630 100644
+--- a/libfcgi/fcgiapp.c
++++ b/libfcgi/fcgiapp.c
+@@ -1175,6 +1175,10 @@ static int ReadParams(Params *paramsPtr, FCGX_Stream *stream)
+ 	    }
+             nameLen = ((nameLen & 0x7f) << 24) + (lenBuff[0] << 16)
+                     + (lenBuff[1] << 8) + lenBuff[2];
++	    if (nameLen >= INT_MAX) {
++                SetError(stream, FCGX_PARAMS_ERROR);
++                return -1;
++	    }
+         }
+         if((valueLen = FCGX_GetChar(stream)) == EOF) {
+             SetError(stream, FCGX_PARAMS_ERROR);
+@@ -1187,6 +1191,10 @@ static int ReadParams(Params *paramsPtr, FCGX_Stream *stream)
+ 	    }
+             valueLen = ((valueLen & 0x7f) << 24) + (lenBuff[0] << 16)
+                     + (lenBuff[1] << 8) + lenBuff[2];
++	    if (valueLen >= INT_MAX) {
++                SetError(stream, FCGX_PARAMS_ERROR);
++                return -1;
++	    }
+         }
+         /*
+          * nameLen and valueLen are now valid; read the name and value

fcgi.spec

@@ -1,10 +1,11 @@
 Name:                fcgi
 Version:             2.4.2
-Release:             1
+Release:             2
 Summary:             FastCGI development kit
 License:             OML
 URL:                 https://github.com/FastCGI-Archives/fcgi2
 Source0:             https://github.com/FastCGI-Archives/fcgi2/archive/%{version}.tar.gz
+Patch0:              CVE-2025-23016.patch
 BuildRequires:       gcc gcc-c++ sed coreutils libtool
 
 %description
@@ -19,7 +20,7 @@ The %{name}-devel package contains libraries and header files for
 developing applications that use %{name}.
 
 %prep
-%autosetup -n fcgi2-%{version}
+%autosetup -n fcgi2-%{version} -p1
 sed -i 's/\r//' doc/fastcgi-prog-guide/ch2c.htm
 chmod a-x include/fcgios.h libfcgi/os_unix.c LICENSE.TERMS doc/fastcgi-prog-guide/*
 
@@ -57,5 +58,8 @@ rm -rf %{buildroot}%{_libdir}/pkgconfig/fcgi.pc
 %doc doc/
 
 %changelog
-* Sat Jan 9 2021 chengzihan <chengzihan2@huawei.com> - 2.4.0-1
+* Sun Apr 27 2025 wangkai <13474090681@163.com> - 2.4.2-2
+- Fix CVE-2025-23016
+
+* Sat Jan 9 2021 chengzihan <chengzihan2@huawei.com> - 2.4.2-1
 - Package init