CVE-2025-15638: Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-21 · updated 2026-10-07
Weakness: CWE-1395

Description

Net::Dropbear versions before 0.14 for Perl contains a vulnerable version of libtomcrypt. Net::Dropbear versions before 0.14 includes versions of Dropbear 2019.78 or earlier. These include versions of libtomcrypt v1.18.1 or earlier, which is affected by CVE-2016-6129 and CVE-2018-12437.

Affected products

ATRODO Net::Dropbear: before 0.14 — fixed in 0.14

How to fix

Upgrade to a fixed version: ATRODO Net::Dropbear 0.14. Check the vendor advisory for mitigations.

References

https://metacpan.org/release/ATRODO/Net-Dropbear-0.14/source/dropbear/libtomcrypt/changes
https://www.cve.org/CVERecord?id=CVE-2016-6129
https://www.cve.org/CVERecord?id=CVE-2018-12437

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