CVE-2025-40913

Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow

MEDIUM
6.5
CVSS Score
Published: July 16, 2025 at 02:05 PM UTC
Updated: June 17, 2026 at 09:22 AM UTC
1 product affected across 1 vendor.NET

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.01 ≤ v ≤ 0.160.01

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
https://github.com/advisories/GHSA-j3xv-6967-cv88
Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
https://github.com/libtom/libtommath/pull/546
Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
https://www.cve.org/CVERecord?id=CVE-2023-36328

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1395

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