Source: ocaml Version: 5.4.0-3 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for ocaml. CVE-2026-28364[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-28364 https://www.cve.org/CVERecord?id=CVE-2026-28364 [1] https://osv.dev/vulnerability/OSEC-2026-01 [2] https://github.com/ocaml/ocaml/commit/e3919fef436f89271bc30bbe8592851f7289fb68 [3] https://github.com/ocaml/ocaml/commit/b0a2614684a52acded784ec213f14ddfe085d146 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

