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CVE-2026-13698

MEDIUM
6.0
CVSS 4.0
Description
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service

Metadata

CVE ID
CVE-2026-13698
State
PUBLISHED
Assigner
OpenVPN
Reserved
2026-06-29 11:47 UTC
Published
2026-07-06 14:13 UTC
Last updated
2026-07-06 15:28 UTC
Primary CWE
CWE-401
CWE-401 Missing release of memory after effective lifetime
Vendor / Product
OpenVPN / OpenVPN
Sources
cve.org  ·  NVD

Severity & Metrics

6.0 MEDIUM CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
OpenVPN OpenVPN — 2.5.0 ≤ 2.5.11, 2.6.0 ≤ 2.6.20, 2.7_alpha1 ≤ 2.7.4
Weakness (CWE)
CWESourceDescription
CWE-401 cna CWE-401 Missing release of memory after effective lifetime
CWE-770 cna CWE-770 Allocation of resources without limits or throttling
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.0 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References (1)
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