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Description

Out of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.03.0 on all supported platforms allows for writing extra memory describing a range of LBAs to deallocate 16 bytes outside of the allocated space when running this operation.

PUBLISHED Reserved 2026-06-02 | Published 2026-06-02 | Updated 2026-06-03 | Assigner Seagate




MEDIUM: 4.6CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/AU:Y/R:U/V:D/RE:L/U:Green

Problem types

CWE-787 Out-of-bounds write

Product status

Default status
unaffected

Any version
affected

References

www.seagate.com/product-security/

www.seagate.com/support/software/seachest/

cve.org (CVE-2026-10718)

nvd.nist.gov (CVE-2026-10718)

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