🛡️ CVE-2026-50254 on Ubuntu — dcmtk
Description
An unauthenticated remote attacker can repeatedly send a single crafted connection request to leak memory. Against storescp in its default single-process mode, memory grows quickly and the service is eventually killed, after which it stops accepting connections until an operator restarts it.
Distribution advisory
This page covers CVE-2026-50254 as tracked by Ubuntu, for the package dcmtk. No fixed version has been recorded for this distribution yet.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability high.
Affected software
UBUNTU-CVE-2026-50254 is recorded against 1 package.
- dcmtk
Timeline and source
Published on 30 June 2026 and last revised on 1 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
github.com (Report)
github.com (Report)
www.cisa.gov (Report)
Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| dcmtk | — | — |
References
Similar Threats
- High CVE-2026-5663
- Low CVE-2022-4981
- Unknown DEBIAN-CVE-2020-36855
- Medium CVE-2025-9732
- Medium CVE-2025-2357
More UBUNTU CVE 2026 advisories
Browse all of UBUNTU CVE 2026 in the advisory index.
- UBUNTU-CVE-2026-50195
- UBUNTU-CVE-2026-50219
- UBUNTU-CVE-2026-50221
- UBUNTU-CVE-2026-50229
- UBUNTU-CVE-2026-50243
- UBUNTU-CVE-2026-50248
- UBUNTU-CVE-2026-50251
- UBUNTU-CVE-2026-50252
- UBUNTU-CVE-2026-50256
- UBUNTU-CVE-2026-50257
- UBUNTU-CVE-2026-50258
- UBUNTU-CVE-2026-50259
- UBUNTU-CVE-2026-50260
- UBUNTU-CVE-2026-50261
- UBUNTU-CVE-2026-50262
- UBUNTU-CVE-2026-50263
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UBUNTU-CVE-2026-50254 is rated CVSS 7.5 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.
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