Integer Overflow Vulnerability in Net::Dropbear by Perl
CVE-2025-40913

6.5MEDIUM

Key Information:

Vendor

Atrodo

Status
Net::dropbear
Vendor
CVE Published:
16 July 2025

What is CVE-2025-40913?

Net::Dropbear, a Perl module, incorporates a vulnerable version of the libtommath library that is affected by an integer overflow issue leading to potential security risks. This vulnerability stems from certain operations within the library that can generate unexpected results, potentially allowing attackers to exploit it for malicious purposes. Users of affected versions should prioritize applying available updates to mitigate the risks associated with this vulnerability.

Affected Version(s)

Net::Dropbear 0.01 <= 0.16

References

https://www.cve.org/CVERecord?id=CVE-2023-36328
https://github.com/libtom/libtommath/pull/546
https://github.com/advisories/GHSA-j3xv-6967-cv88

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-40913 : Integer Overflow Vulnerability in Net::Dropbear by Perl