diff --git a/.github/workflows/CICD.yml b/.github/workflows/CICD.yml
index 6da590b7ce2..26e5e80d98e 100644
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@@ -35,7 +35,7 @@ concurrency:
 jobs:
   cargo-deny:
     name: Style/cargo-deny
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -52,7 +52,7 @@ jobs:
         job:
           # note: `cargo-udeps` panics when processing stdbuf/libstdbuf ("uu_stdbuf_libstdbuf"); either b/c of the 'cpp' crate or 'libstdbuf' itself
           #   ... b/c of the panic, a more limited feature set is tested (though only excluding `stdbuf`)
-          - { os: ubuntu-latest  , features: "feat_Tier1,feat_require_unix,feat_require_unix_utmpx" }
+          - { os: ubuntu-24.04  , features: "feat_Tier1,feat_require_unix,feat_require_unix_utmpx" }
           - { os: macos-latest   , features: "feat_Tier1,feat_require_unix,feat_require_unix_utmpx" }
           - { os: windows-latest , features: feat_os_windows }
     steps:
@@ -98,7 +98,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: feat_os_unix }
+          - { os: ubuntu-24.04  , features: feat_os_unix }
 # for now, don't build it on mac & windows because the doc is only published from linux
 # + it needs a bunch of duplication for build
 # and I don't want to add a doc step in the regular build to avoid long builds
@@ -166,7 +166,7 @@ jobs:
     strategy:
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -253,7 +253,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -276,7 +276,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: feat_os_unix }
+          - { os: ubuntu-24.04  , features: feat_os_unix }
           - { os: macos-latest   , features: feat_os_unix }
           - { os: windows-latest , features: feat_os_windows }
     steps:
@@ -319,7 +319,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: feat_os_unix }
+          - { os: ubuntu-24.04  , features: feat_os_unix }
           - { os: macos-latest   , features: feat_os_unix }
           - { os: windows-latest , features: feat_os_windows }
     steps:
@@ -368,19 +368,19 @@ jobs:
       matrix:
         job:
           # - { os , target , cargo-options , default-features,  features , use-cross , toolchain, skip-tests, workspace-tests, skip-package, skip-publish }
-          - { os: ubuntu-latest  , target: arm-unknown-linux-gnueabihf , features: feat_os_unix_gnueabihf , use-cross: use-cross , skip-tests: true }
+          - { os: ubuntu-24.04  , target: arm-unknown-linux-gnueabihf , features: feat_os_unix_gnueabihf , use-cross: use-cross , skip-tests: true }
           - { os: ubuntu-24.04-arm  , target: aarch64-unknown-linux-gnu   , features: feat_os_unix_gnueabihf }
-          - { os: ubuntu-latest  , target: aarch64-unknown-linux-musl  , features: feat_os_unix_musl , use-cross: use-cross , skip-tests: true }
-          - { os: ubuntu-latest  , target: riscv64gc-unknown-linux-musl  , features: feat_os_unix_musl , use-cross: use-cross , skip-tests: true }
-          # - { os: ubuntu-latest  , target: x86_64-unknown-linux-gnu    , features: feat_selinux           , use-cross: use-cross }
-          - { os: ubuntu-latest  , target: i686-unknown-linux-gnu      , features: "feat_os_unix,test_risky_names", use-cross: use-cross }
-          - { os: ubuntu-latest  , target: i686-unknown-linux-musl     , features: feat_os_unix_musl , use-cross: use-cross }
-          - { os: ubuntu-latest  , target: x86_64-unknown-linux-gnu    , features: "feat_os_unix,test_risky_names", use-cross: use-cross, skip-publish: true }
-          - { os: ubuntu-latest  , target: x86_64-unknown-linux-gnu    , features: "feat_os_unix,uudoc"   , use-cross: no, workspace-tests: true }
-          - { os: ubuntu-latest  , target: x86_64-unknown-linux-musl   , features: feat_os_unix_musl , use-cross: use-cross }
-          - { os: ubuntu-latest  , target: x86_64-unknown-netbsd, features: "feat_os_unix", use-cross: use-cross , skip-tests: true , check-only: true }
-          - { os: ubuntu-latest  , target: x86_64-unknown-redox        , features: feat_os_unix_redox     , use-cross: redoxer , skip-tests: true , check-only: true }
-          - { os: ubuntu-latest  , target: wasm32-wasip1, default-features: false, features: feat_wasm, skip-tests: true }
+          - { os: ubuntu-24.04  , target: aarch64-unknown-linux-musl  , features: feat_os_unix_musl , use-cross: use-cross , skip-tests: true }
+          - { os: ubuntu-24.04  , target: riscv64gc-unknown-linux-musl  , features: feat_os_unix_musl , use-cross: use-cross , skip-tests: true }
+          # - { os: ubuntu-24.04  , target: x86_64-unknown-linux-gnu    , features: feat_selinux           , use-cross: use-cross }
+          - { os: ubuntu-24.04  , target: i686-unknown-linux-gnu      , features: "feat_os_unix,test_risky_names", use-cross: use-cross }
+          - { os: ubuntu-24.04  , target: i686-unknown-linux-musl     , features: feat_os_unix_musl , use-cross: use-cross }
+          - { os: ubuntu-24.04  , target: x86_64-unknown-linux-gnu    , features: "feat_os_unix,test_risky_names", use-cross: use-cross, skip-publish: true }
+          - { os: ubuntu-24.04  , target: x86_64-unknown-linux-gnu    , features: "feat_os_unix,uudoc"   , use-cross: no, workspace-tests: true }
+          - { os: ubuntu-24.04  , target: x86_64-unknown-linux-musl   , features: feat_os_unix_musl , use-cross: use-cross }
+          - { os: ubuntu-24.04  , target: x86_64-unknown-netbsd, features: "feat_os_unix", use-cross: use-cross , skip-tests: true , check-only: true }
+          - { os: ubuntu-24.04  , target: x86_64-unknown-redox        , features: feat_os_unix_redox     , use-cross: redoxer , skip-tests: true , check-only: true }
+          - { os: ubuntu-24.04  , target: wasm32-wasip1, default-features: false, features: feat_wasm, skip-tests: true }
           - { os: macos-latest   , target: aarch64-apple-darwin        , features: feat_os_unix, workspace-tests: true } # M1 CPU
           # PR #7964: chcon should not break build without the feature. cargo check is enough to detect it.
           - { os: macos-latest   , target: aarch64-apple-darwin        , workspace-tests: true, check-only: true } # M1 CPU
@@ -706,7 +706,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: unix }
+          - { os: ubuntu-24.04  , features: unix }
           # FIXME: Re-enable macos code coverage
           # - { os: macos-latest   , features: macos }
           # FIXME: Re-enable Code Coverage on windows, which currently fails due to "profiler_builtins". See #6686.
@@ -766,7 +766,7 @@ jobs:
         esac
 
         case '${{ matrix.job.os }}' in
-          ubuntu-latest)
+          ubuntu-24.04)
             # selinux and systemd headers needed to build tests
             sudo apt-get -y update
             sudo apt-get -y install libselinux1-dev libsystemd-dev
@@ -829,7 +829,7 @@ jobs:
   test_selinux:
     name: Build/SELinux
     needs: [ min_version, deps ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -890,7 +890,7 @@ jobs:
 
   test_safe_traversal:
     name: Safe Traversal Security Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     needs: [ min_version, deps ]
 
     steps:
diff --git a/.github/workflows/CheckScripts.yml b/.github/workflows/CheckScripts.yml
index 2186953663f..42a40a8c523 100644
--- a/.github/workflows/CheckScripts.yml
+++ b/.github/workflows/CheckScripts.yml
@@ -25,7 +25,7 @@ concurrency:
 jobs:
   shell_check:
     name: ShellScript/Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     steps:
@@ -43,7 +43,7 @@ jobs:
 
   shell_fmt:
     name: ShellScript/Format
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     steps:
diff --git a/.github/workflows/FixPR.yml b/.github/workflows/FixPR.yml
index 224617c6d3e..8997fac411f 100644
--- a/.github/workflows/FixPR.yml
+++ b/.github/workflows/FixPR.yml
@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
diff --git a/.github/workflows/GnuComment.yml b/.github/workflows/GnuComment.yml
index 8217888f46b..e2454e610e7 100644
--- a/.github/workflows/GnuComment.yml
+++ b/.github/workflows/GnuComment.yml
@@ -15,7 +15,7 @@ jobs:
       actions: read  #  to list workflow runs artifacts
       pull-requests: write  #  to comment on pr
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     if: >
       github.event.workflow_run.event == 'pull_request'
     steps:
diff --git a/.github/workflows/SizeComment.yml b/.github/workflows/SizeComment.yml
index 032c85d013d..3e44eb37cbb 100644
--- a/.github/workflows/SizeComment.yml
+++ b/.github/workflows/SizeComment.yml
@@ -15,7 +15,7 @@ jobs:
       actions: read  #  to list workflow runs artifacts
       pull-requests: write  #  to comment on pr
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     if: >
       github.event.workflow_run.event == 'pull_request'
     steps:
diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 2837c79f60a..1c1a4f27e6d 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest] # , macos-latest
+        os: [ubuntu-24.04] # , macos-latest
         cores: [4] # , 6
         ram: [4096]
         api-level: [28]
diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index f17e67eb34a..ea97f3d9253 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -7,7 +7,7 @@ on:
     - cron: "0 0 * * *"
 jobs:
   audit:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
         with:
diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index e2f0c0a09f5..0854dd61ef0 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -20,7 +20,7 @@ concurrency:
 jobs:
   benchmarks:
     name: Run ${{ matrix.type }} benchmarks for ${{ matrix.package }} (CodSpeed)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 90
     env:
       CARGO_INCREMENTAL: 0
diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 36ce40bdbf8..f00b998f0f4 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -31,7 +31,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -71,10 +71,10 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: all             , workspace: true }
+          - { os: ubuntu-24.04  , features: all             , workspace: true }
           - { os: macos-latest   , features: feat_os_unix }
           - { os: windows-latest , features: feat_os_windows }
-          - { os: ubuntu-latest  , features: feat_wasm , target: wasm32-wasip1 }
+          - { os: ubuntu-24.04  , features: feat_wasm , target: wasm32-wasip1 }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -152,7 +152,7 @@ jobs:
     strategy:
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -189,7 +189,7 @@ jobs:
 
   toml_format:
     name: Style/toml
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
         uses: actions/checkout@v6
@@ -206,7 +206,7 @@ jobs:
 
   python:
     name: Style/Python
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
         uses: actions/checkout@v6
@@ -230,7 +230,7 @@ jobs:
 
   pre_commit:
     name: Pre-commit hooks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index ecc65bc9908..47cc9d0688a 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -19,7 +19,7 @@ concurrency:
 jobs:
   test:
     name: Verify devcontainer
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 45
     steps:
     - uses: actions/checkout@v6
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 138d99279d4..c6822928c90 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -20,7 +20,7 @@ on:
 jobs:
   check-doc:
     name: Verify uudoc generates correct documentation
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout repository
diff --git a/.github/workflows/fuzzing.yml b/.github/workflows/fuzzing.yml
index 47ee6477191..11944bb34a9 100644
--- a/.github/workflows/fuzzing.yml
+++ b/.github/workflows/fuzzing.yml
@@ -23,7 +23,7 @@ concurrency:
 jobs:
   uufuzz-examples:
     name: Build and test uufuzz examples
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -52,7 +52,7 @@ jobs:
 
   fuzz-build:
     name: Build the fuzzers
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -72,7 +72,7 @@ jobs:
   fuzz-run:
     needs: fuzz-build
     name: Fuzz
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     env:
       RUN_FOR: 60
@@ -199,7 +199,7 @@ jobs:
   fuzz-summary:
     needs: fuzz-run
     name: Fuzzing Summary
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     if: always()
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/l10n.yml b/.github/workflows/l10n.yml
index 8523401eb41..4ca49ac766a 100644
--- a/.github/workflows/l10n.yml
+++ b/.github/workflows/l10n.yml
@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: "feat_os_unix" }
+          - { os: ubuntu-24.04  , features: "feat_os_unix" }
           - { os: macos-latest   , features: "feat_os_unix" }
           - { os: windows-latest , features: "feat_os_windows" }
     steps:
@@ -83,7 +83,7 @@ jobs:
 
   l10n_fluent_syntax:
     name: L10n/Fluent Syntax Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -135,7 +135,7 @@ jobs:
 
   l10n_clap_error_localization:
     name: L10n/Clap Error Localization Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -298,7 +298,7 @@ jobs:
 
   l10n_french_integration:
     name: L10n/French Integration Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -408,7 +408,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: "feat_os_unix" }
+          - { os: ubuntu-24.04  , features: "feat_os_unix" }
           - { os: macos-latest   , features: "feat_os_unix" }
     steps:
     - uses: actions/checkout@v6
@@ -561,7 +561,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest  , features: "feat_os_unix" }
+          - { os: ubuntu-24.04  , features: "feat_os_unix" }
           - { os: macos-latest   , features: "feat_os_unix" }
     steps:
     - uses: actions/checkout@v6
@@ -631,7 +631,7 @@ jobs:
         fi
 
         # Test French localization with make-installed binary (Ubuntu only)
-        if [ "${{ matrix.job.os }}" = "ubuntu-latest" ]; then
+        if [ "${{ matrix.job.os }}" = "ubuntu-24.04" ]; then
           echo "Testing French localization with make-installed binary..."
 
           # Set French locale
@@ -896,7 +896,7 @@ jobs:
 
   l10n_locale_support_verification:
     name: L10n/Locale Support Verification
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -1128,7 +1128,7 @@ jobs:
 
   l10n_embedded_locale_regression_test:
     name: L10n/Embedded Locale Regression Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -1154,7 +1154,7 @@ jobs:
 
   l10n_locale_embedding_cat:
     name: L10n/Locale Embedding - Cat Utility
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -1185,7 +1185,7 @@ jobs:
 
   l10n_locale_embedding_ls:
     name: L10n/Locale Embedding - Ls Utility
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -1216,7 +1216,7 @@ jobs:
 
   l10n_locale_embedding_multicall:
     name: L10n/Locale Embedding - Multicall Binary
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
@@ -1249,7 +1249,7 @@ jobs:
 
   l10n_locale_embedding_cargo_install:
     name: L10n/Locale Embedding - Cargo Install
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
index e654b55100b..a51b013a344 100644
--- a/.github/workflows/make.yml
+++ b/.github/workflows/make.yml
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest , features: feat_os_unix }
+          - { os: ubuntu-24.04 , features: feat_os_unix }
     steps:
     - uses: actions/checkout@v6
       with:
@@ -332,7 +332,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest }
+          - { os: ubuntu-24.04 }
     steps:
     - name: Initialize workflow variables
       id: vars
@@ -416,7 +416,7 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-latest }
+          - { os: ubuntu-24.04 }
     steps:
     - name: Initialize workflow variables
       id: vars
diff --git a/.github/workflows/manpage-lint.yml b/.github/workflows/manpage-lint.yml
index 8f3c6df00f9..b77afc8a1f9 100644
--- a/.github/workflows/manpage-lint.yml
+++ b/.github/workflows/manpage-lint.yml
@@ -25,7 +25,7 @@ on:
 jobs:
   manpage-lint:
     name: Validate manpages with mandoc
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         locale: [en_US.UTF-8, fr_FR.UTF-8]
diff --git a/.github/workflows/openbsd.yml b/.github/workflows/openbsd.yml
index 38a5a729b9e..a0a2b81f9e7 100644
--- a/.github/workflows/openbsd.yml
+++ b/.github/workflows/openbsd.yml
@@ -23,7 +23,7 @@ concurrency:
 jobs:
   style:
     name: Style and Lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 60
     strategy:
       fail-fast: false
@@ -123,7 +123,7 @@ jobs:
 
   test:
     name: Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 60
     strategy:
       fail-fast: false
diff --git a/.github/workflows/wasi.yml b/.github/workflows/wasi.yml
index c69414ccc08..5b3d4f51f38 100644
--- a/.github/workflows/wasi.yml
+++ b/.github/workflows/wasi.yml
@@ -19,7 +19,7 @@ concurrency:
 jobs:
   test_wasi:
     name: Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v6
       with:
diff --git a/tests/uutests/src/lib/util.rs b/tests/uutests/src/lib/util.rs
index 8286ecfea75..59d9c16c542 100644
--- a/tests/uutests/src/lib/util.rs
+++ b/tests/uutests/src/lib/util.rs
@@ -2975,7 +2975,7 @@ pub fn host_name_for(util_name: &str) -> Cow<'_, str> {
     util_name.into()
 }
 
-// Choose same coreutils version with ubuntu-latest runner: https://github.com/actions/runner-images/tree/main/images/ubuntu
+// Choose same coreutils version with ubuntu runner: https://github.com/actions/runner-images/tree/main/images/ubuntu
 const VERSION_MIN: &str = "9.4"; // minimum Version for the reference `coreutil` in `$PATH`
 
 const UUTILS_WARNING: &str = "uutils-tests-warning";