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fix(picklescan): close encoded protocol0 probe gaps #1594

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Merged
mldangelo-oai merged 8 commits into from
Jun 9, 2026
Merged

fix(picklescan): close encoded protocol0 probe gaps #1594

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ba210ce
fix(picklescan): close encoded protocol0 probe gaps
mldangelo-oai Jun 9, 2026
51772bc
fix(picklescan): close encoded protocol0 probe gaps
mldangelo-oai Jun 9, 2026
c01240a
fix(picklescan): align encoded probe coverage bounds
mldangelo-oai Jun 9, 2026
7cde8eb
Merge remote-tracking branch 'origin/main' into mdangelo/codex/fix-pr…
mldangelo-oai Jun 9, 2026
f365c0a
fix(picklescan): cover sparse encoded protocol 0 operands
mldangelo-oai Jun 9, 2026
537a811
Merge remote-tracking branch 'origin/main' into mdangelo/codex/fix-pr…
mldangelo-oai Jun 9, 2026
931823b
fix(picklescan): fail closed on truncated scalar probes
mldangelo-oai Jun 9, 2026
354ab74
Merge main and address encoded protocol 0 review findings
mldangelo-oai Jun 9, 2026
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1 change: 1 addition & 0 deletions packages/modelaudit-picklescan/CHANGELOG.md
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Expand Up @@ -78,6 +78,7 @@ and this package adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Bug Fixes

- continue probing encoded protocol 0 payloads after long line operands, lenient base64 separators, and wrapper alignment shifts while failing closed beyond bounded mid-scan coverage
- reject nested-pickle analysis budgets below two bytes, recognize explicit protocol 0 headers, and use bounded structural probes to avoid prose false positives without missing valid suffixes
- preserve fail-closed nested protocol 0 analysis after `INST` opcodes
- fail closed when known-size pickle boundaries cannot be verified or contain trailing bytes, and bind file scans to one descriptor
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