CVE-2021-41689
High
Description
DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.
SeverityHigh
CVSS7.5
Exploit probability—
ProductOffis Dcmtk
PublishedJun 28, 2022
First seenJun 28, 2022
Weakness typeCWE-476NULL pointer dereference
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| offis dcmtk | v ≤ 3.6.6 | — |
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