Description
A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Ruby | — | — |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Storage 3 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | ruby3.1 | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | ruby | No fix yet | — |
Advisories 1
- WID-SEC-2025-0018 Ruby: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Jan 7, 2025
References
- https://access.redhat.com/security/cve/CVE-2025-0306 vdb-entry
- RHBZ#2336100 issue-tracking