Denial Of Service (DoS)

github.com/hashicorp/vault is vulnerable to Denial of ServiceDoS. The vulnerability is due to insufficient access controls on root token generation and rekey operations, which allows an unauthenticated attacker to repeatedly initiate or cancel these operations, occupying the single available...

Security Bulletin: Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Summary Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

BIT-VAULT-2026-5807 Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807

A flaw was found in Vault. An unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations. This action occupies the single slot designated for in-progress operations, effectively preventing legitimate operators from completing critical administrative...

EUVD-2026-23362

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

GHSA-88V5-9HXC-F85R HashiCorp Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

ALPINE-CVE-2026-5807

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807 Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807 Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807

Vault is vulnerable to a denial-of-service condition: an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot and preventing legitimate operators from completing these workflows. The issue is fixed in...

CVE-2026-5807

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Summary Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

CVE-2026-5807: Allocation of Resources Without Limits or Throttling

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This...

EulerOS 2.0 SP12 : libssh (EulerOS-SA-2026-1073)

According to the versions of the libssh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free...

EUVD-2025-27246

Malicious code in bioql PyPI...

DEBIAN-CVE-2025-8277

A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when...

AZL-67095 CVE-2025-8277 affecting package libssh for versions less than 0.10.6-4

A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when...

CVE-2025-8277 Libssh: memory exhaustion via repeated key exchange in libssh

A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when...