diff --git a/jasper-4.2.5.tar.gz b/jasper-4.2.6.tar.gz
similarity index 53%
rename from jasper-4.2.5.tar.gz
rename to jasper-4.2.6.tar.gz
index 7af4ea2b941f3d0493015b142d01a20de61e3fad..a9bc99cc70b96fc4356411159e7581791e6ad9e6 100644
Binary files a/jasper-4.2.5.tar.gz and b/jasper-4.2.6.tar.gz differ
diff --git a/jasper.spec b/jasper.spec
index 94117503cf195913d881b8ba982862c0f69796bb..4aa457945abf16702e086bc658f06490da9996b6 100644
--- a/jasper.spec
+++ b/jasper.spec
@@ -1,5 +1,5 @@
 Name:                jasper
-Version:             4.2.5
+Version:             4.2.6
 Release:             1
 Summary:             Reference implementation of the codec specified in the JPEG-2000 standard, Part 1
 License:             JasPer-2.0
@@ -77,6 +77,9 @@ export LD_LIBRARY_PATH="`pwd`/%{__cmake_builddir}/src/libjasper/"
 %doc README.md
 
 %changelog
+* Fri Aug 22 2025  openeuler_bot <infra@openeuler.sh> - 4.2.6-1
+- Added a check for a missing color component in the jas_image_chclrspc function (version:4.2.6).
+
 * Sun Apr 06 2025 Funda Wang <fundawang@yeah.net> - 4.2.5-1
 - update to 4.2.5