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Debian 11: DCMTK Critical Memory Corruption Threat CVE-2025-9732 DLA-4363-1

Several vulnerabilities have been fixed in DCMTK, a collection of libraries and applications implementing large parts of the DICOM standard for medical images. . ------------------------------------------------------------------------- Debian LTS Advisory DLA-4363-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Markus Koschany November 03, 2025 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : dcmtk Version : 3.6.5-1+deb11u5 CVE ID : CVE-2020-36855 CVE-2022-4981 CVE-2025-9732 Debian Bug : 1113993 Several vulnerabilities have been fixed in DCMTK, a collection of libraries and applications implementing large parts of the DICOM standard for medical images. CVE-2025-9732 Processing of an invalid DICOM image with a Photometric Interpretation of "YBR_FULL" and a Planar Configuration of "1" where the number of pixels stored does not match the expected number of pixels. This may lead to memory corruption. CVE-2022-4981 Various issues in the dcmqrscp configuration file parser that could cause application crashes when reading a malformed configuration file, due to insufficient checks of the input data. CVE-2020-36855 Stack-based overflow in the dcmqrscp config parser. For Debian 11 bullseye, these problems have been fixed in version 3.6.5-1+deb11u5. We recommend that you upgrade your dcmtk packages. For the detailed security status of dcmtk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/dcmtk Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Multiple vulnerabilities fixed in DCMTK, impacting medical image processing and requiring urgent updates for Debian users.. DCMTKSecurity Update, Debian LTS, Memory Corruption, Stack Overflow. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Nov 03, 2025 Critical Debian LTS
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