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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-70458

rsync 3.0.0 < 3.5.0 Out-of-Bounds Write via FLAG_HLINKED Handling

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINK_BUMP processing on file entries with the FLAG_HLINKED flag set while the hard-link preservation option is inactive. Attackers can exploit the missing F_SUM field in the file_struct layout to access memory past the end of the allocated structure, corrupting adjacent heap or stack data.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RsyncProject rsync

Default version status: unaffected

  • 3.0.0 to ≤ 3.4.4affected
  • 3.5.0unaffected
pkg:github/RsyncProject/rsync

References