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Issue title

Action `actions/checkout` pinned to mutable ref `@v4`: `uses

Curate findings to include

Pick exactly which findings appear in the issue body. By default the top 5 are included. Uncheck noise, check what matters.

Top 5 (default)
Severity Rule Title File:line
HIGH MINED004 [MINED004] Weak Crypto: MD5/SHA1/DES/RC4 used for security context (not just checksums). audio/softsynth/mt32/sha1/sha1.h:31
HIGH MINED004 [MINED004] Weak Crypto: MD5/SHA1/DES/RC4 used for security context (not just checksums). audio/softsynth/mt32/sha1/sha1.cpp:37
HIGH MINED004 [MINED004] Weak Crypto: MD5/SHA1/DES/RC4 used for security context (not just checksums). audio/softsynth/mt32/File.cpp:58
HIGH MINED115 [MINED115] Action `hendrikmuhs/ccache-action` pinned to mutable ref `@v1.2`: `uses: hendr… .github/workflows/ci.yml:244
HIGH MINED115 [MINED115] Action `actions/checkout` pinned to mutable ref `@v4`: `uses: actions/checkout… .github/workflows/ci.yml:225
HIGH MINED115 [MINED115] Action `hendrikmuhs/ccache-action` pinned to mutable ref `@v1.2`: `uses: hendr… .github/workflows/ci.yml:191
HIGH MINED115 [MINED115] Action `actions/checkout` pinned to mutable ref `@v4`: `uses: actions/checkout… .github/workflows/ci.yml:170
HIGH MINED115 [MINED115] Action `actions/upload-artifact` pinned to mutable ref `@v4`: `uses: actions/u… .github/workflows/ci.yml:144
HIGH MINED115 [MINED115] Action `actions/upload-artifact` pinned to mutable ref `@v4`: `uses: actions/u… .github/workflows/ci.yml:138
HIGH MINED115 [MINED115] Action `actions/upload-artifact` pinned to mutable ref `@v4`: `uses: actions/u… .github/workflows/ci.yml:132
HIGH MINED115 [MINED115] Action `actions/upload-artifact` pinned to mutable ref `@v4`: `uses: actions/u… .github/workflows/ci.yml:126
HIGH MINED115 [MINED115] Action `actions/cache/save` pinned to mutable ref `@v4`: `uses: actions/cache/… .github/workflows/ci.yml:116
HIGH MINED115 [MINED115] Action `microsoft/setup-msbuild` pinned to mutable ref `@v2`: `uses: microsoft… .github/workflows/ci.yml:111
HIGH MINED115 [MINED115] Action `actions/cache/restore` pinned to mutable ref `@v4`: `uses: actions/cac… .github/workflows/ci.yml:92
HIGH MINED115 [MINED115] Action `lukka/run-vcpkg` pinned to mutable ref `@v11`: `uses: lukka/run-vcpkg@… .github/workflows/ci.yml:84
HIGH MINED115 [MINED115] Action `ilammy/setup-nasm` pinned to mutable ref `@v1`: `uses: ilammy/setup-na… .github/workflows/ci.yml:81
HIGH MINED115 [MINED115] Action `actions/checkout` pinned to mutable ref `@v4`: `uses: actions/checkout… .github/workflows/ci.yml:79
HIGH MINED115 [MINED115] Action `actions/cache/save` pinned to mutable ref `@v4`: `uses: actions/cache/… .github/workflows/ci.yml:37
HIGH MINED115 [MINED115] Action `actions/cache/restore` pinned to mutable ref `@v4`: `uses: actions/cac… .github/workflows/ci.yml:28
HIGH MINED115 [MINED115] Action `hendrikmuhs/ccache-action` pinned to mutable ref `@v1.2`: `uses: hendr… .github/workflows/ci.yml:22
HIGH MINED115 [MINED115] Action `actions/checkout` pinned to mutable ref `@v4`: `uses: actions/checkout… .github/workflows/ci.yml:20
HIGH CORE_NO_TESTS No test files found
MED CFG006 [CFG006] Missing .gitignore: No .gitignore file. Risk of committing secrets and build art…
LOW AIC003 Duplicated implementation block across source files backends/audiocd/win32/win32-audiocd.cpp:159
LOW AIC003 Duplicated implementation block across source files audio/softsynth/mt32/sha1/sha1.h:1
LOW AIC003 Duplicated implementation block across source files audio/softsynth/fmtowns_pc98/sega_audio…:201
LOW AIC003 Duplicated implementation block across source files audio/midiparser_xmidi.cpp:170
LOW AIC003 Duplicated implementation block across source files audio/decoders/vorbis.cpp:42
LOW CORE_NO_LICENSE No LICENSE file
INFO MINED080 [MINED080] Cpp Using Namespace Std: using namespace std; pollutes the global namespace. audio/soundfont/vab/vab.cpp:32
INFO MINED080 [MINED080] Cpp Using Namespace Std: using namespace std; pollutes the global namespace. audio/soundfont/synthfile.cpp:30
INFO MINED080 [MINED080] Cpp Using Namespace Std: using namespace std; pollutes the global namespace. audio/soundfont/rifffile.cpp:29
INFO MINED057 [MINED057] Todo Bomb: Code path with a TODO/FIXME/HACK comment that gates correctness — l… audio/softsynth/mt32/TVP.h:33
INFO MINED042 [MINED042] Cpp New Without Delete: C++ raw new without RAII / unique_ptr — memory leak ri… audio/decoders/3do.cpp:50
INFO MINED042 [MINED042] Cpp New Without Delete: C++ raw new without RAII / unique_ptr — memory leak ri… audio/cms.cpp:31
INFO MINED042 [MINED042] Cpp New Without Delete: C++ raw new without RAII / unique_ptr — memory leak ri… audio/alsa_opl.cpp:354
Reset to top 5 36 findings available (after auto-suppression of test files + won't-fix)

Issue body (markdown)

## Code-quality scan: `scummvm/scummvm`

**Score: 64/100 (C-)**  ·  36 findings  ·  scanned 2026-06-06 00:36 UTC  ·  95,492 LOC

| Severity | Count |
|---|---|
| CRITICAL | 0 |
| HIGH | 22 |
| MEDIUM | 1 |
| LOW | 6 |

📊 [Full filterable report](https://repobility.com/scan/eda6473b-64a2-4527-b382-b99cfb725ee7/)  ·  ![scorecard](https://repobility.com/scan/eda6473b-64a2-4527-b382-b99cfb725ee7/report.png?v=1780706212-s2)

### Top findings

1. **HIGH** `MINED004` — Weak Crypto
   `audio/softsynth/mt32/sha1/sha1.h:31` · CWE-327 · ✓ Repobility
2. **HIGH** `MINED004` — Weak Crypto
   `audio/softsynth/mt32/sha1/sha1.cpp:37` · CWE-327 · ✓ Repobility
3. **HIGH** `MINED004` — Weak Crypto
   `audio/softsynth/mt32/File.cpp:58` · CWE-327 · ✓ Repobility
4. **HIGH** `MINED115` — Action `hendrikmuhs/ccache-action` pinned to mutable ref `@v1.2`: `uses
   `.github/workflows/ci.yml:244` · ✓ Repobility
5. **HIGH** `MINED115` — Action `actions/checkout` pinned to mutable ref `@v4`: `uses
   `.github/workflows/ci.yml:225` · ✓ Repobility

---

_Filed automatically. Close this issue if not useful — we won't refile. Full report: https://repobility.com/scan/eda6473b-64a2-4527-b382-b99cfb725ee7/_
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18/38 findings (47%) on this scan are already flagged as test-file, won't-fix, or suppressed. The scan is too noisy to file as a single issue. Curate down to specific actionable findings, or address the FP source first.

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