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OpenAdvisories
High · 7.3 CVE-2026-89087 EUVD-2026-75709GHSA-32j6-362j-46jc

The cstruct package before 6.3.0 for OCaml mishandles indexes.

Published Sep 10, 2026 · Updated Sep 14, 2026 · Assigned by mitre

Description

The cstruct package before 6.3.0 for OCaml mishandles indexes.

Affected products

VendorProductAffectedFixed
OCaml cstruct < 6.3.0 6.3.0

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 ocaml-cstruct 6.3.0-1 —
Debian 13 ocaml-cstruct No fix yet —
Debian 12 ocaml-cstruct No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 ocaml-cstruct No fix yet —
Ubuntu 26.04 LTS ocaml-cstruct No fix yet —
Ubuntu 24.04 LTS ocaml-cstruct No fix yet —
Ubuntu 22.04 LTS ocaml-cstruct No fix yet —

References