https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 08:59:46 +0000 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0284 certfr-2026-avi-0284 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0284 https://cve.radiocsirt.org/vuln/euvd-2026-337387 EUVD-2026-337387 https://cve.radiocsirt.org/vuln/euvd-2026-337387 https://cve.radiocsirt.org/vuln/fkie_cve-2026-28364 <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-28364 https://cve.radiocsirt.org/vuln/ghsa-g54x-7hpm-29q8 <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> https://cve.radiocsirt.org/vuln/ghsa-g54x-7hpm-29q8 https://cve.radiocsirt.org/vuln/msrc_cve-2026-28364 msrc_CVE-2026-28364 https://cve.radiocsirt.org/vuln/msrc_cve-2026-28364 https://cve.radiocsirt.org/vuln/oesa-2026-1522 <p><strong>Affected:</strong> openEuler:22.03-LTS-SP4: ocaml</p> <p>OCaml is a high-level, strongly-typed, functional and object-oriented programming language from the ML family of languages. This package includes runtime environment, X11 support ,Documentation generator and emacs. Security Fix(es):</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.(CVE-2026-28364)</p> <p><strong>Affected:</strong> openEuler:22.03-LTS-SP4: ocaml</p> <p>OCaml is a high-level, strongly-typed, functional and object-oriented programming language from the ML family of languages. This package includes runtime environment, X11 support ,Documentation generator and emacs. Security Fix(es):</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.(CVE-2026-28364)</p> https://cve.radiocsirt.org/vuln/oesa-2026-1522 https://cve.radiocsirt.org/vuln/opensuse-su-2026:11136-1 <p>ocaml-4.14.4-1.1 on GA media</p> <p>ocaml-4.14.4-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:11136-1 https://cve.radiocsirt.org/vuln/osec-2026-01 <p><strong>Affected:</strong> opam: ocaml</p> <p>## Summary</p> <p>A critical buffer over-read vulnerability in OCaml&#39;s Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from malicious Marshal data.</p> <p>Please note that Marshal is not type safe, and you have to be careful if you use the deserialization on untrusted input (due to type confusion, and remote code execution by design - you can use Marshal for code).</p> <p>Affected functions: `Marshal.from_channel`, `Marshal.from_bytes`, `Marshal.from_string`, `Stdlib.input_value`, `Pervasives.input_value` when reading data from an untrusted source.</p> <p>## Vulnerability Attack Vector</p> <p>Corrupted or malicious marshaled data that causes undefined behaviour in the runtime system when unmarshaled. `input_value` should either fail cleanly or produce a well-formed OCaml object, without corrupting the runtime system.</p> <p>Consequently, this excludes:</p> <p>* well-formed marshaled data that produces an OCaml object that is not of the type expected by the OCaml code and causes the Ocaml code to crash or misbehave</p> <p>* misuses of the OCaml runtime system by the program performing input_value, such as setting `Debugger.function_placeholder` to the wrong function.</p> <p>The former issue may be addressed at some point by validating the unmarshaled OCaml value against the expected type, using the functions…</p> <p><strong>Affected:</strong> opam: ocaml</p> <p>## Summary</p> <p>A critical buffer over-read vulnerability in OCaml&#39;s Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from malicious Marshal data.</p> <p>Please note that Marshal is not type safe, and you have to be careful if you use the deserialization on untrusted input (due to type confusion, and remote code execution by design - you can use Marshal for code).</p> <p>Affected functions: `Marshal.from_channel`, `Marshal.from_bytes`, `Marshal.from_string`, `Stdlib.input_value`, `Pervasives.input_value` when reading data from an untrusted source.</p> <p>## Vulnerability Attack Vector</p> <p>Corrupted or malicious marshaled data that causes undefined behaviour in the runtime system when unmarshaled. `input_value` should either fail cleanly or produce a well-formed OCaml object, without corrupting the runtime system.</p> <p>Consequently, this excludes:</p> <p>* well-formed marshaled data that produces an OCaml object that is not of the type expected by the OCaml code and causes the Ocaml code to crash or misbehave</p> <p>* misuses of the OCaml runtime system by the program performing input_value, such as setting `Debugger.function_placeholder` to the wrong function.</p> <p>The former issue may be addressed at some point by validating the unmarshaled OCaml value against the expected type, using the functions…</p> https://cve.radiocsirt.org/vuln/osec-2026-01 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-28364 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: ocaml, Ubuntu:Pro:16.04:LTS: ocaml, Ubuntu:Pro:18.04:LTS: ocaml, Ubuntu:20.04:LTS: ocaml, Ubuntu:22.04:LTS: ocaml, Ubuntu:24.04:LTS: ocaml, Ubuntu:25.10: ocaml, Ubuntu:26.04:LTS: ocaml</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: ocaml, Ubuntu:Pro:16.04:LTS: ocaml, Ubuntu:Pro:18.04:LTS: ocaml, Ubuntu:20.04:LTS: ocaml, Ubuntu:22.04:LTS: ocaml, Ubuntu:24.04:LTS: ocaml, Ubuntu:25.10: ocaml, Ubuntu:26.04:LTS: ocaml</p> <p>In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-28364