diff --git a/.cargo/config.in b/.cargo/config.in
index 9e5e3413bb2d8310f4aaa883389d136c3ab6b99f..be0f5c3f423ca5e3b02061a76b7aa1a91cc1d939 100644
--- a/.cargo/config.in
+++ b/.cargo/config.in
@@ -35,7 +35,7 @@ rev = "df4dc0288b07b865440f4c7e41ca49ca9ccffc63"
 [source."https://github.com/mozilla/cubeb-coreaudio-rs"]
 git = "https://github.com/mozilla/cubeb-coreaudio-rs"
 replace-with = "vendored-sources"
-rev = "a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c"
+rev = "44eca95823bb57e964cf7b6d9791ed2ccb4b2108"
 
 [source."https://github.com/mozilla/audioipc-2"]
 git = "https://github.com/mozilla/audioipc-2"
diff --git a/Cargo.lock b/Cargo.lock
index 9540c95dcba32365fce20d8551fcf1e8052eb399..ca94a830d0dade7362629c218b29a74e54ea0001 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -844,7 +844,7 @@ dependencies = [
 [[package]]
 name = "coreaudio-sys-utils"
 version = "0.1.0"
-source = "git+https://github.com/mozilla/cubeb-coreaudio-rs?rev=a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c#a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c"
+source = "git+https://github.com/mozilla/cubeb-coreaudio-rs?rev=44eca95823bb57e964cf7b6d9791ed2ccb4b2108#44eca95823bb57e964cf7b6d9791ed2ccb4b2108"
 dependencies = [
  "core-foundation-sys",
  "coreaudio-sys",
@@ -1145,7 +1145,7 @@ dependencies = [
 [[package]]
 name = "cubeb-coreaudio"
 version = "0.1.0"
-source = "git+https://github.com/mozilla/cubeb-coreaudio-rs?rev=a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c#a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c"
+source = "git+https://github.com/mozilla/cubeb-coreaudio-rs?rev=44eca95823bb57e964cf7b6d9791ed2ccb4b2108#44eca95823bb57e964cf7b6d9791ed2ccb4b2108"
 dependencies = [
  "atomic",
  "audio-mixer",
diff --git a/third_party/rust/cubeb-coreaudio/.cargo-checksum.json b/third_party/rust/cubeb-coreaudio/.cargo-checksum.json
index 4a10cd1c21aad31e98566118ea4517df59f94dd1..ad1f9d96a05df2fb510b680098f832ae4276a12a 100644
--- a/third_party/rust/cubeb-coreaudio/.cargo-checksum.json
+++ b/third_party/rust/cubeb-coreaudio/.cargo-checksum.json
@@ -1 +1 @@
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\ No newline at end of file
+{"files":{".circleci/config.yml":"7f3dc865105ca8f33965a7958b1fe2e627ae2d5a703f3b2a4ab6e2e796018597",".editorconfig":"4e53b182bcc78b83d7e1b5c03efa14d22d4955c4ed2514d1ba4e99c1eb1a50ba",".githooks/pre-push":"8b8b26544cd56f54c0c33812551f786bb25cb08c86dbfeb6bf3daad881c826a1",".github/workflows/test.yml":"aa1998a3b104ad131805ca3513832cef3f65300192824f8b1efc9a5a0cc108f6",".travis.yml":"dc07bac53f70f16c9bdf52264bdc58500ae6018c1b4c567bc7642f6b4ca3cc35","Cargo.toml":"4671b9a0fbf47773cf01e40592ac5b5fe5cd93722f425f249e6c8b432ce3871c","LICENSE":"6e6f56aff5bbf3cbc60747e152fb1a719bd0716aaf6d711c554f57d92e96297c","README.md":"0007782a05a5330f739ad789c19c82562c82e32386b0447000fc72c0d48405bc","build-audiounit-rust-in-cubeb.sh":"d228a05985dcd02ec1ecac66a2b64dae5a530804a25a7054ccc95905aedfb7ef","install_git_hook.sh":"d38c8e51e636f6b90b489621ac34ccd1d1b1f40dccce3d178ed1da1c5068f16d","install_rustfmt_clippy.sh":"4ae90d8dcb9757cb3ae4ae142ef80e5377c0dde61c63f4a3c32418646e80ca7b","run_device_tests.sh":"cac9a7d588c2be0efa842c15d24c8cf0573bc9f9d73011662ba764dc9f6245e8","run_sanitizers.sh":"8828c73439dfd540cd21fc713c4a1011ec05baca6f282f285743f310ace39563","run_tests.sh":"916a7ae4a406d2274417d6eca939a878db5adcb6144e5680d9d148bf90178f1c","src/backend/aggregate_device.rs":"e822b4496e2ea5c6e1a288c6e92f57e598abf67cb0bdff813f859d57c63be5f9","src/backend/auto_release.rs":"050fdcee74cf46b9a8a85a877e166d72a853d33220f59cf734cbb6ea09daa441","src/backend/buffer_manager.rs":"7aa294ef26ee68ff6a131b892a97ea65571f1fe0dedaef2cc6c966d1e135d89d","src/backend/device_property.rs":"2a63837b98b9b6bfb314b4aa6dce919412b71e13e18c7b8f3477aa1482f70b29","src/backend/mixer.rs":"949c34927ba72b3365bc733a63b2f7950aef707ee08363f97242a4de6b7d4818","src/backend/mod.rs":"41d103a20b72ddf1b45315dc5230722762b16b192dfafe146279447230a21272","src/backend/resampler.rs":"8641c672d00f77be287d64f6cd4a2b2cd36f8630e2ded1eff6b39834b1b7ddc3","src/backend/tests/aggregate_device.rs":"7542cbb1c82398d00a5cba5b335842c517af2cda887946ebb5aaf512fd06b527","src/backend/tests/api.rs":"6eafca24d61729cad108b34c01e339130f9c479ebbe1026dc9c65778c1d9cfe0","src/backend/tests/backlog.rs":"3b189a7e036543c467cc242af0ed3332721179ee2b1c8847a6db563546f1ac52","src/backend/tests/device_change.rs":"97555244a8081251f1447c6a677609d1e91f33c9c0f4fb3f8a4082005c68ae0c","src/backend/tests/device_property.rs":"373f76d3bee83b263db3f02be3b94b408bdf852d84e4b5153273fda34b11a374","src/backend/tests/interfaces.rs":"b48d646b6ea06ca1bf7ce4b0ada59a164bc094e40b0cd66bb63b269f9032b022","src/backend/tests/manual.rs":"8d485a6666a3f4518b03e39dab80bf2acfd760af2d2f43bad99023cb135b38ca","src/backend/tests/mod.rs":"8dba770023d7f9c4228f0e11915347f0e07da5fd818e3ee4478c4b197af9aa2a","src/backend/tests/parallel.rs":"f9e1883660d6146b6e5075806561f5f689810e25c5e7764dfd28c9b939821a49","src/backend/tests/tone.rs":"779cc14fc2a362bf7f26ce66ad70c0639501176175655a99b7fefb3c59d56c7a","src/backend/tests/utils.rs":"3c430e519c0e7a17dda6b57c110fab725a846da39606fd99274bad20a637cf35","src/backend/utils.rs":"6c3ffbcd602e6cc9f56deb9ecb07b2eef2e6f074ef924178e466f380aae5c595","src/capi.rs":"21b66b70545bf04ec719928004d1d9adb45b24ced51288f5b2993d79aaf78f5f","src/lib.rs":"5e586d45cd6b3722f0a6736d9252593299269817a153eef1930a5fb9bfbb56f5","todo.md":"efc1f012eb9a331a040cad4ac03aa79307f25885f71b6fb38f3ad7af8d7d515c"},"package":null}
\ No newline at end of file
diff --git a/third_party/rust/cubeb-coreaudio/src/backend/mod.rs b/third_party/rust/cubeb-coreaudio/src/backend/mod.rs
index f40243abc9c7428865ae79ab7038cbd60753bd51..d57b77098fed2aaec1eb54193320c50fc4a1dee3 100644
--- a/third_party/rust/cubeb-coreaudio/src/backend/mod.rs
+++ b/third_party/rust/cubeb-coreaudio/src/backend/mod.rs
@@ -2670,6 +2670,16 @@ impl<'ctx> CoreStreamData<'ctx> {
                 self.stm_ptr,
                 output_hw_desc
             );
+
+            // This has been observed in the wild.
+            if output_hw_desc.mChannelsPerFrame == 0 {
+                cubeb_log!(
+                    "({:p}) Output hardware description channel count is zero",
+                    self.stm_ptr
+                );
+                return Err(Error::error());
+            }
+
             // Notice: when we are using aggregate device, the output_hw_desc.mChannelsPerFrame is
             // the total of all the output channel count of the devices added in the aggregate device.
             // Due to our aggregate device settings, the data recorded by the input device's output
diff --git a/toolkit/library/rust/shared/Cargo.toml b/toolkit/library/rust/shared/Cargo.toml
index 4f9b18b1ba66b1bfb4e2bd31dcefa96b1bc705d7..8cdd70cbbc48528466b8460db949bb8b6d6b912c 100644
--- a/toolkit/library/rust/shared/Cargo.toml
+++ b/toolkit/library/rust/shared/Cargo.toml
@@ -20,7 +20,7 @@ static_prefs = { path = "../../../../modules/libpref/init/static_prefs" }
 profiler_helper = { path = "../../../../tools/profiler/rust-helper", optional = true }
 mozurl = { path = "../../../../netwerk/base/mozurl" }
 webrender_bindings = { path = "../../../../gfx/webrender_bindings" }
-cubeb-coreaudio = { git = "https://github.com/mozilla/cubeb-coreaudio-rs", rev = "a5a21ccbcc1fb46877b231e6a815cf8a824b1c5c", optional = true }
+cubeb-coreaudio = { git = "https://github.com/mozilla/cubeb-coreaudio-rs", rev = "44eca95823bb57e964cf7b6d9791ed2ccb4b2108", optional = true }
 cubeb-pulse = { git = "https://github.com/mozilla/cubeb-pulse-rs", rev="df4dc0288b07b865440f4c7e41ca49ca9ccffc63", optional = true, features=["pulse-dlopen"] }
 cubeb-sys = { version = "0.10", optional = true, features=["gecko-in-tree"] }
 audioipc2-client = { git = "https://github.com/kinetiknz/audioipc-2", rev = "85e9839059f4bf8f68130825b8fd02c39a6a51b9", optional = true } # macos (v2) branch