Description
In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OCaml | OCaml | ≤ 4.14.3 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ocaml | 5.2.0-1 | — |
| Debian 13 | ocaml | 5.2.0-1 | — |
| Debian 12 | ocaml | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | ocaml | No fix yet | — |
| Ubuntu 22.04 LTS | ocaml | No fix yet | — |
| Ubuntu 20.04 LTS | ocaml | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | ocaml | No fix yet | — |
| Ubuntu Pro 16.04 LTS | ocaml | No fix yet | — |
| Ubuntu Pro 14.04 LTS | ocaml | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ocaml | 4.14.4-1.1 | openSUSE-SU-2026:11136-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ocaml | 4.14.4-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | ocaml | 5.1.1-1 | — |
Advisories 1
- openSUSE-SU-2026:11136-1 ocaml-4.14.4-1.1 on GA media SUSE / openSUSE Security Updates · Jun 29, 2026