diff --git a/.github/workflows/tests_stress.yml b/.github/workflows/tests_stress.yml
index 20cd7dff7c..bebf024835 100644
--- a/.github/workflows/tests_stress.yml
+++ b/.github/workflows/tests_stress.yml
@@ -33,6 +33,8 @@ jobs:
     - run: npm ci
     - run: npm run build
     - run: npx playwright install --with-deps
+    - run: npx playwright install firefox-asan
+      if: matrix.os != 'windows-latest'
     - run: npm run stest contexts -- --project=chromium
       if: always()
     - run: npm run stest browsers -- --project=chromium
diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 73fbc9ed4f..e17e224731 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -25,6 +25,12 @@
       "installByDefault": true,
       "browserVersion": "115.0"
     },
+    {
+      "name": "firefox-asan",
+      "revision": "1420",
+      "installByDefault": false,
+      "browserVersion": "115.0"
+    },
     {
       "name": "firefox-beta",
       "revision": "1420",
diff --git a/packages/playwright-core/src/server/registry/index.ts b/packages/playwright-core/src/server/registry/index.ts
index 307e70d469..22a21ce88f 100644
--- a/packages/playwright-core/src/server/registry/index.ts
+++ b/packages/playwright-core/src/server/registry/index.ts
@@ -199,6 +199,29 @@ const DOWNLOAD_PATHS = {
     'mac13-arm64': 'builds/firefox-beta/%s/firefox-beta-mac-13-arm64.zip',
     'win64': 'builds/firefox-beta/%s/firefox-beta-win64.zip',
   },
+  'firefox-asan': {
+    '<unknown>': undefined,
+    'generic-linux': 'builds/firefox/%s/firefox-asan-ubuntu-20.04.zip',
+    'generic-linux-arm64': undefined,
+    'ubuntu18.04': undefined,
+    'ubuntu20.04': undefined,
+    'ubuntu22.04': 'builds/firefox/%s/firefox-asan-ubuntu-22.04.zip',
+    'ubuntu18.04-arm64': undefined,
+    'ubuntu20.04-arm64': undefined,
+    'ubuntu22.04-arm64': undefined,
+    'debian11': undefined,
+    'debian11-arm64': undefined,
+    'mac10.13': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac10.14': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac10.15': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac11': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac11-arm64': undefined,
+    'mac12': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac12-arm64': undefined,
+    'mac13': 'builds/firefox/%s/firefox-asan-mac-13.zip',
+    'mac13-arm64': undefined,
+    'win64': undefined,
+  },
   'webkit': {
     '<unknown>': undefined,
     'generic-linux': 'builds/webkit/%s/webkit-ubuntu-20.04.zip',
@@ -338,7 +361,7 @@ function readDescriptors(browsersJSON: BrowsersJSON) {
 }
 
 export type BrowserName = 'chromium' | 'firefox' | 'webkit';
-type InternalTool = 'ffmpeg' | 'firefox-beta' | 'chromium-with-symbols' | 'chromium-tip-of-tree' | 'android';
+type InternalTool = 'ffmpeg' | 'firefox-beta' | 'firefox-asan' | 'chromium-with-symbols' | 'chromium-tip-of-tree' | 'android';
 type ChromiumChannel = 'chrome' | 'chrome-beta' | 'chrome-dev' | 'chrome-canary' | 'msedge' | 'msedge-beta' | 'msedge-dev' | 'msedge-canary';
 const allDownloadable = ['chromium', 'firefox', 'webkit', 'ffmpeg', 'firefox-beta', 'chromium-with-symbols', 'chromium-tip-of-tree'];
 
@@ -545,6 +568,24 @@ export class Registry {
       _isHermeticInstallation: true,
     });
 
+    const firefoxAsan = descriptors.find(d => d.name === 'firefox-asan')!;
+    const firefoxAsanExecutable = findExecutablePath(firefoxAsan.dir, 'firefox');
+    this._executables.push({
+      type: 'browser',
+      name: 'firefox-asan',
+      browserName: 'firefox',
+      directory: firefoxAsan.dir,
+      executablePath: () => firefoxAsanExecutable,
+      executablePathOrDie: (sdkLanguage: string) => executablePathOrDie('firefox-asan', firefoxAsanExecutable, firefoxAsan.installByDefault, sdkLanguage),
+      installType: firefoxAsan.installByDefault ? 'download-by-default' : 'download-on-demand',
+      validateHostRequirements: (sdkLanguage: string) => this._validateHostRequirements(sdkLanguage, 'firefox', firefoxAsan.dir, ['firefox'], [], ['firefox']),
+      downloadURLs: this._downloadURLs(firefoxAsan),
+      browserVersion: firefoxAsan.browserVersion,
+      _install: () => this._downloadExecutable(firefoxAsan, firefoxAsanExecutable),
+      _dependencyGroup: 'firefox',
+      _isHermeticInstallation: true,
+    });
+
     const firefoxBeta = descriptors.find(d => d.name === 'firefox-beta')!;
     const firefoxBetaExecutable = findExecutablePath(firefoxBeta.dir, 'firefox');
     this._executables.push({
diff --git a/tests/stress/playwright.config.ts b/tests/stress/playwright.config.ts
index 6be54a8a93..fd745fa2b0 100644
--- a/tests/stress/playwright.config.ts
+++ b/tests/stress/playwright.config.ts
@@ -30,7 +30,8 @@ export default defineConfig({
     {
       name: 'firefox',
       use: {
-        browserName: 'firefox'
+        browserName: 'firefox',
+        channel: process.platform !== 'win32' ? 'firefox-asan' : undefined,
       },
     },
 
diff --git a/utils/roll_browser.js b/utils/roll_browser.js
index 1521816316..a72a48eab6 100755
--- a/utils/roll_browser.js
+++ b/utils/roll_browser.js
@@ -63,6 +63,8 @@ Example:
   const descriptors = [browsersJSON.browsers.find(b => b.name === browserName)];
   if (browserName === 'chromium')
     descriptors.push(browsersJSON.browsers.find(b => b.name === 'chromium-with-symbols'));
+  if (browserName === 'firefox')
+    descriptors.push(browsersJSON.browsers.find(b => b.name === 'firefox-asan'));
 
   if (!descriptors.every(d => !!d)) {
     console.log(`Unknown browser "${browserName}"`);