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CVE-2025-40913

Date: July 16, 2025

Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow. Net::Dropbear embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

Severity Score

Related Resources (6)

https://github.com/advisories/GHSA-j3xv-6967-cv88
https://metacpan.org/release/ATRODO/Net-Dropbear-0.16/source/dropbear/libtommath/bn_mp_grow.c
https://www.cve.org/CVERecord?id=CVE-2023-36328
https://nvd.nist.gov/vuln/detail/CVE-2025-40913
https://github.com/libtom/libtommath/pull/546
https://www.mend.io/vulnerability-database/CVE-2025-40913

Severity Score

Weakness Type (CWE)

Dependency on Vulnerable Third-Party Component

CWE-1395

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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