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CVE-2025-2814

Published: Apr 12, 2025

Modified: Sep 5, 2025

PUBLISHED

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.

Vendor	Product	Versions
LDS	Crypt::CBC	affected `1.21 - <= 3.05`

Weaknesses (CWE)

References

https://perldoc.perl.org/functions/rand

https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777

https://security.metacpan.org/docs/guides/random-data-for-security.html

https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch

patch

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