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CVE-2026-12996Patch(debian / debian_linux)

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch debian debian_linux systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry

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1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-125CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • debian_linux
  • openvpn

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
debianopenvpn
Products
debian_linuxopenvpn

1 version affected across 2 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-10: 1Patch / Workaround · 2026-07-10: 107-10
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • ‍ ‍‍‍ᓭ cryptostorm ᓯ@cryptostorm_is
    Patch

    v4.01 of our Windows client is at https://cryptostorm.is/windows#widget See attached for client-side fixes. Servers were updated to OpenVPN 2.7.5 on the 2nd, and v4.01 bundles 2.7.5, so we're good on CVE-2026-12996, CVE-2026-13117, CVE-2026-12932, and CVE-2026-13698. https://t.co/7VvcXvxk70

    Post summary

    The authors released Windows client v4.01 with client-side fixes.rad and updated servers to OpenVPN 2.7.5, thereby addressing CVE‑2026‑12996, 13117, 12932, and 13698.

    000100830
    6.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSdebiandebian_linux11.0--
Appopenvpnopenvpn---

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