| Name | CVE-2026-34353 |
| Description | In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ocaml (PTS) | bullseye | 4.11.1-4 | vulnerable |
| bookworm | 4.13.1-4 | vulnerable | |
| trixie | 5.3.0-3 | fixed | |
| forky, sid | 5.4.0-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ocaml | source | (unstable) | 5.2.0-1 |
https://github.com/ocaml/ocaml/issues/14655
Fixed as side effect in: https://github.com/ocaml/ocaml/pull/11022
Fixed by: https://github.com/ocaml/ocaml/commit/c667d0e1c5284f5ec46ee4a99b149fa5ac5dfe30 (5.0.0-alpha0)
Backport for 4.13.y series: https://github.com/ocaml/ocaml/pull/14691