Bug 2443780 - CVE-2026-28364 ocaml: OCaml: Remote code execution via buffer over-read in Marshal deserialization [fedora-all]
Summary: CVE-2026-28364 ocaml: OCaml: Remote code execution via buffer over-read in Ma...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: ocaml
Version: 45
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Richard W.M. Jones
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["cb2b863c-fe90-4407-b27d-b...
Depends On:
Blocks: CVE-2026-28364
TreeView+ depends on / blocked
 
Reported: 2026-03-02 10:40 UTC by Alexander B
Modified: 2026-10-06 00:17 UTC (History)
2 users (show)

Fixed In Version: ocaml-5.5.1-1.fc45
Clone Of:
Environment:
Last Closed: 2026-10-06 00:17:59 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Alexander B 2026-03-02 10:40:22 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Aoife Moloney 2026-08-17 14:15:11 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.
Comment 2 Fedora Update System 2026-10-03 21:26:26 UTC 
FEDORA-2026-403bcf6fd8 (0install-2.18-16.fc45, alt-ergo-2.4.3-5.fc45, and 207 more) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-403bcf6fd8
Comment 3 Fedora Update System 2026-10-04 03:07:01 UTC 
FEDORA-2026-403bcf6fd8 has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-403bcf6fd8`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-403bcf6fd8

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 4 Fedora Update System 2026-10-06 00:17:59 UTC 
FEDORA-2026-403bcf6fd8 (0install-2.18-16.fc45, alt-ergo-2.4.3-5.fc45, and 207 more) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.
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