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CVE-2026-12932 (GCVE-0-2026-12932)

Vulnerability from cvelistv5 – Published: 2026-07-30 16:42 – Updated: 2026-07-30 18:05
VLAI
Summary
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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 2026-07-30 18:05 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
OpenVPN OpenVPN Affected: 2.5.0 , ≤ 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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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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