diff --git a/__tests__/util.test.ts b/__tests__/util.test.ts
index 85b76069e..91a8796ff 100644
--- a/__tests__/util.test.ts
+++ b/__tests__/util.test.ts
@@ -27,7 +27,11 @@ describe('isVersionSatisfies', () => {
     ['2.5.1+3', '2.5.1+3', true],
     ['2.5.1+3', '2.5.1+2', false],
     ['15.0.0+14', '15.0.0+14.1.202003190635', false],
-    ['15.0.0+14.1.202003190635', '15.0.0+14.1.202003190635', true]
+    ['15.0.0+14.1.202003190635', '15.0.0+14.1.202003190635', true],
+    // 4-segment versions (e.g. JetBrains Runtime '17.0.8.1+1080.1') are not
+    // valid semver — they should be rejected, not throw.
+    ['25.0.3+480.61', '17.0.8.1+1080.1', false],
+    ['17', '17.0.8.1+1080.1', false]
   ])(
     '%s, %s -> %s',
     (inputRange: string, inputVersion: string, expected: boolean) => {
diff --git a/dist/cleanup/index.js b/dist/cleanup/index.js
index df5d6c0eb..3109ac598 100644
--- a/dist/cleanup/index.js
+++ b/dist/cleanup/index.js
@@ -51941,6 +51941,13 @@ function getDownloadArchiveExtension() {
 exports.getDownloadArchiveExtension = getDownloadArchiveExtension;
 function isVersionSatisfies(range, version) {
     var _a;
+    // Some distributions (e.g. JetBrains Runtime) publish 4-segment versions
+    // like '17.0.8.1+1080.1' that semver rejects. If the candidate version
+    // isn't valid semver, it can't match — bail out rather than letting
+    // compareBuild / satisfies throw.
+    if (!semver.valid(version)) {
+        return false;
+    }
     if (semver.valid(range)) {
         // if full version with build digit is provided as a range (such as '1.2.3+4')
         // we should check for exact equal via compareBuild
diff --git a/dist/setup/index.js b/dist/setup/index.js
index fb687e03f..31bfe00b0 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -80695,6 +80695,13 @@ function getDownloadArchiveExtension() {
 exports.getDownloadArchiveExtension = getDownloadArchiveExtension;
 function isVersionSatisfies(range, version) {
     var _a;
+    // Some distributions (e.g. JetBrains Runtime) publish 4-segment versions
+    // like '17.0.8.1+1080.1' that semver rejects. If the candidate version
+    // isn't valid semver, it can't match — bail out rather than letting
+    // compareBuild / satisfies throw.
+    if (!semver.valid(version)) {
+        return false;
+    }
     if (semver.valid(range)) {
         // if full version with build digit is provided as a range (such as '1.2.3+4')
         // we should check for exact equal via compareBuild
diff --git a/src/util.ts b/src/util.ts
index 0325f7f42..690b775c2 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -55,6 +55,14 @@ export function getDownloadArchiveExtension() {
 }
 
 export function isVersionSatisfies(range: string, version: string): boolean {
+  // Some distributions (e.g. JetBrains Runtime) publish 4-segment versions
+  // like '17.0.8.1+1080.1' that semver rejects. If the candidate version
+  // isn't valid semver, it can't match — bail out rather than letting
+  // compareBuild / satisfies throw.
+  if (!semver.valid(version)) {
+    return false;
+  }
+
   if (semver.valid(range)) {
     // if full version with build digit is provided as a range (such as '1.2.3+4')
     // we should check for exact equal via compareBuild