CVE-2023-46849

HIGH
7.5
CVSS Score
Published: November 11, 2023 at 12:05 AM UTC
Updated: June 17, 2026 at 06:31 AM UTC
4 products affected across 3 vendorsDebian LinuxFedoraOpenVPN

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.

Affected

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

2.6.0 ≤ v ≤ 2.6.62.6.0
2.11.0 ≤ v ≤ 2.11.32.12.0 ≤ v ≤ 2.12.12.11.02.12.02.12.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-369

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