Description
Net::Dropbox::API 1.9 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.
Specifically Net::Dropbox::API uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NORBU | Net::Dropbox::API | ≤ 1.9 | — |
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 | libnet-dropbox-api-perl | 1.9-3 | — |
| Debian 13 | libnet-dropbox-api-perl | No fix yet | — |
| Debian 12 | libnet-dropbox-api-perl | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 26.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 25.10 | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 24.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 22.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 18.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
| Ubuntu 16.04 LTS | libnet-dropbox-api-perl | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | perl-Net-Dropbox-API | 1.900.0-2.1 | openSUSE-SU-2025:15187-1 |
Advisories 1
- openSUSE-SU-2025:15187-1 perl-Net-Dropbox-API-1.900.0-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
References
- https://perldoc.perl.org/functions/rand
- https://security.metacpan.org/docs/guides/random-data-for-security.html
- https://metacpan.org/release/BAREFOOT/Data-Random-0.13/source/lib/Data/Random.pm#L537
- https://metacpan.org/release/NORBU/Net-Dropbox-API-1.9/source/lib/Net/Dropbox/API.pm#L385
- https://metacpan.org/release/NORBU/Net-Dropbox-API-1.9/source/lib/Net/Dropbox/API.pm#L11