7.5

CVE-2023-46849: debian debian_linux Divide By Zero

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2023-46849UBUNTU-CVE-2023-46849DEBIAN-CVE-2023-46849
Published 11-11-2023Last modified 11-06-2025
Open JSON

Vulnerability summary

CVE-2023-46849 is a high (CVSS 7.5) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
DSA-5555-1OPENSUSE-SU-2024:13429-1USN-6484-1

Timeline

  1. 11-11-2023
    PublishedVulnerability first disclosed.
  2. 11-06-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.15% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Openvpn4 products
Debian2 products
Alpine1 product
  • openvpn≥ 2.6.0, < 2.6.7-r0
Fedoraproject1 product
Ubuntu1 product
  • openvpn< 2.4.7-1ubuntu2.20.04.4 | < 2.5.5-1ubuntu3.1

5 vendors · 9 products

References

10 links