Bug 2106312 (CVE-2021-41688) - CVE-2021-41688 dcmtk: a double free allows for a DoS
Summary: CVE-2021-41688 dcmtk: a double free allows for a DoS
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-41688
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2106314 2106315
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-07-12 10:57 UTC by Marian Rehak
Modified: 2022-08-29 21:56 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2022-08-29 21:56:00 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2022-07-12 10:57:48 UTC 
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.

Reference:

https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb
Comment 1 Marian Rehak 2022-07-12 11:00:25 UTC 
Created dcmtk tracking bugs for this issue:

Affects: epel-all [bug 2106315]
Affects: fedora-all [bug 2106314]
Comment 2 Product Security DevOps Team 2022-08-29 21:55:58 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Note You need to log in before you can comment on or make changes to this bug.