// For flags

CVE-2021-41688

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.

DCMTK versiones hasta 3.6.6 no maneja apropiadamente la liberación de memoria. El objeto en el programa está libre pero su dirección sigue siendo usada en otras ubicaciones. El envío de peticiones específicas al programa dcmqrdb incurrirá en una doble liberación. Un atacante puede usarlo para lanzar un ataque DoS

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-09-27 CVE Reserved
  • 2022-06-28 CVE Published
  • 2024-06-29 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-415: Double Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Offis
Search vendor "Offis"
 Dcmtk
Search vendor "Offis" for product "Dcmtk"
 <= 3.6.6
Search vendor "Offis" for product "Dcmtk" and version " <= 3.6.6"
-
Affected