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CVE-2026-13698 (GCVE-0-2026-13698)

Vulnerability from cvelistv5 – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
VLAI
Summary
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
Severity
6 (Medium)
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
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:28 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
  • CWE-770 - Allocation of resources without limits or throttling
Assigner
References
Impacted products
Vendor Product Version CPE status
OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
Affected: 2.6.0 , ≤ 2.6.20 (semver)
Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
guessed Create a notification for this product.
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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