CVE-2025-40913 – Net::Dropbear Integer Overflow in libtommath Library

The following table lists the changes that have been made to the
CVE-2025-40913 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 9b29abf9-4ab0-4765-b253-1875cd9b441e

    Jul. 16, 2025

    Action Type Old Value New Value
    Added Description 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.

    Added Reference https://github.com/advisories/GHSA-j3xv-6967-cv88
    Added Reference https://github.com/libtom/libtommath/pull/546
    Added Reference https://metacpan.org/release/ATRODO/Net-Dropbear-0.16/source/dropbear/libtommath/bn_mp_grow.c
    Added Reference https://www.cve.org/CVERecord?id=CVE-2023-36328
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