CVE-2025-0306 Ruby: openssl: ruby marvin attack
Attackers can decrypt messages or forge signatures via the Marvin Attack against Ruby's OpenSSL implementation, compromising data confidentiality and integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0306?
CVE-2025-0306 is a high-severity vulnerability in Red Hat Enterprise Linux 10, published on 9 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-385
Which versions are affected by CVE-2025-0306?
How do I fix CVE-2025-0306?
No fix has been published for CVE-2025-0306 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-0306 being exploited?
There is no known exploitation of CVE-2025-0306 in the wild and no public exploit code.
Sources
Also known as AZL-110513, DEBIAN-CVE-2025-0306, GHSA-vvxp-46w2-6p8r.