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Name Modified Size InfoDownloads / Week
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MooseFS 4.59.1 source code.tar.gz 2026-05-13 1.7 MB
MooseFS 4.59.1 source code.zip 2026-05-13 2.0 MB
README.md 2026-05-13 1.5 kB
Totals: 3 Items   3.7 MB 0

MooseFS 4.59.1 Release Notes

MooseFS 4.59.1 is a maintenance release that addresses specific issues in chunkserver memory handling, adjusts I/O advisory behavior, and updates license compatibility to support upcoming MooseFS 5 migrations.

Chunkserver

  • Fixed a potential out-of-bounds (OOB) memory read

This issue could occur when processing unexpected or malformed input data. The fix strengthens chunkserver robustness and reduces the risk of unsafe memory access.

  • Removed overly aggressive fadvise calls

Earlier versions issued frequent advisory calls to the kernel, which in some workloads introduced overhead without measurable benefit. The current behavior keeps only those hints that showed value during testing, resulting in more stable I/O patterns under load.

All Components

  • Security and stability improvements

Addressed multiple issues identified during internal review and external security research conducted by pwno.io. These fixes improve overall system hardening and reliability without requiring configuration or operational changes.

  • Updated license handling for MooseFS 5 compatibility

This allows licenses to be updated before upgrading the system version, simplifying migration to MooseFS 5 and avoiding combined license-and-version upgrade steps.

Upgrade Recommendation

Upgrading to MooseFS 4.59.1 is recommended to receive security-related fixes, updated license handling, and refined chunkserver behavior.

Source: README.md, updated 2026-05-13