CVE-2025-2814 Crypt::CBC versions between 1.21 and 3.05 for Perl may use insecure rand() function for cryptographic functions
Crypt::CBC may use insecure random numbers for encryption if /dev/urandom is unavailable, weakening cryptographic security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-2814?
CVE-2025-2814 is a medium-severity vulnerability in LDS Crypt::CBC, published on 12 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.
This issue affects operating systems where "/dev/urandom'" is unavailable. In that case, Crypt::CBC will fallback to use the insecure rand() function.
Which versions are affected by CVE-2025-2814?
Linux distribution packages (1)
perl-Crypt-CBC openSUSE:Tumbleweed | All versions | 3.70.0-1.1 |
How do I fix CVE-2025-2814?
Upgrade to a fixed version.
Is CVE-2025-2814 being exploited?
There is no known exploitation of CVE-2025-2814 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-2814, GHSA-xpfq-7j72-x4px, UBUNTU-CVE-2025-2814, openSUSE-SU-2025:15495-1.