CVE-2021-41688
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2021-41688 NameCVE-2021-41688 DescriptionDCMTK 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. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu,…
CVE-2021-41688
| Name | CVE-2021-41688 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3847-1, DLA-4038-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| dcmtk (PTS) | bullseye | 3.6.5-1 | vulnerable |
| bullseye (security) | 3.6.5-1+deb11u6 | fixed | |
| bookworm | 3.6.7-9~deb12u3 | fixed | |
| trixie | 3.6.9-5 | fixed | |
| forky | 3.7.0+really3.7.0-2 | fixed | |
| sid | 3.7.0+really3.7.0-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| dcmtk | source | buster | 3.6.4-2.1+deb10u1 | DLA-3847-1 | ||
| dcmtk | source | bullseye | 3.6.5-1+deb11u1 | DLA-4038-1 | ||
| dcmtk | source | (unstable) | 3.6.7-1 |
Notes
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb (DCMTK-3.6.7)
Apply commands
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb (DCMTK-3.6.7)OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.6.7-1 |
| sid | Fixed | 3.6.7-1 |
| forky | Fixed | 3.6.7-1 |
| bullseye | Fixed | 3.6.5-1+deb11u1 |
| bookworm | Fixed | 3.6.7-1 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.