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CVE-2025-40916

Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha text

CVSS 9.1 CRITICALEPSS 0.3%CWE-338CWE-804
Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in rand() function for generating the captcha text as well as image noise, which is insecure.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
GRYPHON · Mojolicious::Plugin::CaptchaPNG

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References
https://metacpan.org/pod/perlfunc#randhttps://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.04/diff/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.05/lib/Mojolicious/Plugin/CaptchaPNG.pmhttps://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.06/changeshttps://security.metacpan.org/docs/guides/random-data-for-security.html