// For flags

CVE-2019-25032

unbound: integer overflow in the regional allocator via regional_alloc

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Unbound before 1.9.5 allows an integer overflow in the regional allocator via regional_alloc. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

** EN DISPUTA ** Unbound versiones anteriores a 1.9.5, permite un desbordamiento de enteros en el asignador regional por medio de la función regional_alloc. NOTA: El proveedor niega que esto sea una vulnerabilidad. Aunque el código puede ser vulnerable, una instalación de Unbound en funcionamiento no puede ser explotada de forma remota o local

A flaw was found in unbound. An integer overflow in regional_alloc function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker and can be big enough. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.

Red Hat Advanced Cluster Management for Kubernetes 2.2.4 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues. Issues addressed include denial of service and integer overflow vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-27 CVE Reserved
  • 2021-04-27 CVE Published
  • 2024-08-05 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nlnetlabs
Search vendor "Nlnetlabs"
Unbound
Search vendor "Nlnetlabs" for product "Unbound"
< 1.9.5
Search vendor "Nlnetlabs" for product "Unbound" and version " < 1.9.5"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected