--- a/testing/mochitest/runtests.py
+++ b/testing/mochitest/runtests.py
@@ -1776,16 +1776,20 @@ toolbar#nav-bar {
                         chunk_by_slice(options.thisChunk, options.totalChunks)
                     )
 
             noDefaultFilters = False
             if options.runFailures:
                 filters.append(failures(options.runFailures))
                 noDefaultFilters = True
 
+            # TODO: remove this when crashreporter is fixed on mac via bug 1910777
+            if info["os"] == "mac" and info["os_version"] == "14.40":
+                info["crashreporter"] = False
+
             tests = manifest.active_tests(
                 exists=False,
                 disabled=disabled,
                 filters=filters,
                 noDefaultFilters=noDefaultFilters,
                 **info
             )
 

--- a/testing/mozbase/mozinfo/mozinfo/mozinfo.py
+++ b/testing/mozbase/mozinfo/mozinfo/mozinfo.py
@@ -141,17 +141,16 @@ if info["os"] == "win" and version == "1
 info["win11_2009"] = False
 if info["os"] == "win" and version == "10.0.22621":
     info["win11_2009"] = True
 
 info["version"] = version
 info["os_version"] = StringVersion(os_version)
 info["is_ubuntu"] = "Ubuntu" in version
 
-
 # processor type and bits
 if processor in ["i386", "i686"]:
     if bits == "32bit":
         processor = "x86"
     elif bits == "64bit":
         processor = "x86_64"
 elif processor.upper() == "AMD64":
     bits = "64bit"

--- a/testing/xpcshell/runxpcshelltests.py
+++ b/testing/xpcshell/runxpcshelltests.py
@@ -1582,16 +1582,24 @@ class XPCShellTests(object):
 
         if options.get("variant", ""):
             self.mozInfo["msix"] = options["variant"] == "msix"
 
         self.mozInfo["is_ubuntu"] = "Ubuntu" in platform.version()
 
         mozinfo.update(self.mozInfo)
 
+        # TODO: remove this when crashreporter is fixed on mac via bug 1910777
+        if self.mozInfo["os"] == "mac":
+            (release, versioninfo, machine) = platform.mac_ver()
+            versionNums = release.split(".")[:2]
+            os_version = "%s.%s" % (versionNums[0], versionNums[1].ljust(2, "0"))
+            if os_version == "14.40":
+                self.mozInfo["crashreporter"] = False
+
         return True
 
     @property
     def conditioned_profile_copy(self):
         """Returns a copy of the original conditioned profile that was created."""
         condprof_copy = os.path.join(tempfile.mkdtemp(), "profile")
         shutil.copytree(
             self.conditioned_profile_dir,