CVE-2021-41690

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Source
https://cve.org/CVERecord?id=CVE-2021-41690
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41690.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-41690
Downstream
Published
2022-06-28T13:15:10.783Z
Modified
2026-07-09T00:37:14.087471Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

DCMTK through 3.6.6 does not handle memory free properly. The malloced memory for storing all file information are recorded in a global variable LST and are not freed properly. Sending specific requests to the dcmqrdb program can incur a memory leak. An attacker can use it to launch a DoS attack.

References

Affected packages

Git / github.com/dcmtk/dcmtk

Affected ranges

Type
GIT
Repo
https://github.com/dcmtk/dcmtk
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
6cb30bd7fb42190e0188afbd8cb961c62a6fb9c9
Fixed
a9697dfeb672b0b9412c00c7d36d801e27ec85cb
Database specific 
{
    "cpe": "cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.6.6"
        }
    ]
}

Affected versions

CAR96-3.*
CAR96-3.0.1
CAR96-3.0.2
DCMTK-3.*
DCMTK-3.1.0
DCMTK-3.1.1
DCMTK-3.1.2
DCMTK-3.2.0
DCMTK-3.2.1
DCMTK-3.3.0
DCMTK-3.3.1
DCMTK-3.4.0
DCMTK-3.4.1
DCMTK-3.4.2
DCMTK-3.5.0
DCMTK-3.5.1
DCMTK-3.5.2
DCMTK-3.5.2a
DCMTK-3.5.3
DCMTK-3.5.4
DCMTK-3.6.0
DCMTK-3.6.1_20110225
DCMTK-3.6.1_20110519
DCMTK-3.6.1_20110707
DCMTK-3.6.1_20110922
DCMTK-3.6.1_20111208
DCMTK-3.6.1_20120222
DCMTK-3.6.1_20120515
DCMTK-3.6.1_20120831
DCMTK-3.6.1_20121102
DCMTK-3.6.1_20131114
DCMTK-3.6.1_20140617
DCMTK-3.6.1_20150217
DCMTK-3.6.1_20150629
DCMTK-3.6.1_20150924
DCMTK-3.6.1_20160216
DCMTK-3.6.1_20160630
DCMTK-3.6.1_20161102
DCMTK-3.6.1_20170228
DCMTK-3.6.2
DCMTK-3.6.3
DCMTK-3.6.4
DCMTK-3.6.5
DCMTK-3.6.5+_20191213
DCMTK-3.6.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41690.json"