# CVE-2026-28364: ocaml: This update for ocaml fixes the following issues:  - CVE-2026-28364: missing bounds validation in readblock() can lea...

CVE-2026-28364 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2026-28364, released February 27, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-28364
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2026

## Description

This update for ocaml fixes the following issues:  - CVE-2026-28364: missing bounds validation in readblock() can lead to arbitrary code execution (bsc#1258992).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ocaml Debian 14 | 5.4.1-1 | [DEBIAN-CVE-2026-28364](https://patchblox.com/security/data/fix/linux/debian-cve-2026-28364.md) | Feb 27, 2026 |
| Linux | ocaml amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml opensuse-leap 15.6 | 4.14.2-150600.3.3.1 | [SUSE-SU-2026:0830-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0830-1.md) | Mar 5, 2026 |
| Linux | ocaml opensuse-leap 16.0 | 4.14.2-160000.4.1 | [OPENSUSE-SU-2026:20368-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20368-1.md) | Mar 17, 2026 |
| Linux | ocaml sles 15.6 | 4.14.2-150600.3.3.1 | [SUSE-SU-2026:0830-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0830-1.md) | Mar 5, 2026 |
| Linux | ocaml sles 15.7 | 4.14.2-150600.3.3.1 | [SUSE-SU-2026:0830-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0830-1.md) | Mar 5, 2026 |
| Linux | ocaml-compiler-libs amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-debuginfo amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-debugsource amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-docs amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-ocamldoc amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-ocamldoc-debuginfo amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-runtime amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-runtime-debuginfo amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |
| Linux | ocaml-source amzn 2023 | 4.13.1-4.amzn2023.0.3 | [ALAS2023-2026-1479](https://patchblox.com/security/data/fix/linux/alas2023-2026-1479.md) | Mar 16, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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