Description
Data::Entropy for Perl 0.007 and earlier use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ZEFRAM | Data::Entropy | < 0.008 | 0.008 |
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 14 | libdata-entropy-perl | 0.008-1 | — |
| Debian 13 | libdata-entropy-perl | 0.008-1 | — |
| Debian 12 | libdata-entropy-perl | 0.007-4+deb12u1 | — |
| Debian 11 | libdata-entropy-perl | 0.007-3.1+deb11u1 | DLA-4100-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libdata-entropy-perl | No fix yet | — |
| Ubuntu 26.04 LTS | libdata-entropy-perl | No fix yet | — |
| Ubuntu 25.10 | libdata-entropy-perl | No fix yet | — |
| Ubuntu 24.04 LTS | libdata-entropy-perl | No fix yet | — |
| Ubuntu 22.04 LTS | libdata-entropy-perl | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libdata-entropy-perl | No fix yet | — |
| Ubuntu 18.04 LTS | libdata-entropy-perl | No fix yet | — |
| Ubuntu 16.04 LTS | libdata-entropy-perl | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP6 | perl-Data-Entropy | 0.8.0-bp156.4.3.1 | openSUSE-SU-2025:0123-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | perl-Data-Entropy | 0.8.0-1.1 | openSUSE-SU-2025:14960-1 |
| openSUSE Leap 15.6 | perl-Data-Entropy | 0.8.0-bp156.4.3.1 | openSUSE-SU-2025:0123-1 |
Advisories 3
- DLA-4100-1 libdata-entropy-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2025:14960-1 perl-Data-Entropy-0.8.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:0123-1 Security update for perl-Data-Entropy SUSE / openSUSE Security Updates · Feb 4, 2026