[med-svn] [Git][med-team/dcmtk][debian/trixie] 2 commits: CVE-2026-12805.patch: new: fix CVE-2026-12805.

[Étienne Mollier (@emollier)]

Étienne Mollier pushed to branch debian/trixie at Debian Med / dcmtk


Commits:
adfd5a02 by Étienne Mollier at 2026-06-23T21:42:21+02:00
CVE-2026-12805.patch: new: fix CVE-2026-12805.

This patch fixes a risk of buffer overflow by ensuring negative error
codes in XMLNode::parseFile are properly handled, as well a NULL
values.

Closes: #1140562

- - - - -
a83229fb by Étienne Mollier at 2026-06-23T21:45:30+02:00
d/changelog: ready for trixie proposed upload.

- - - - -


3 changed files:

- debian/changelog
- + debian/patches/0019-CVE-2026-12805.patch
- debian/patches/series


Changes:

=====================================
debian/changelog
=====================================
@@ -1,3 +1,13 @@
+dcmtk (3.6.9-5+deb13u2) trixie; urgency=medium
+
+  * Team upload.
+  * CVE-2026-12805.patch: new: fix CVE-2026-12805.
+    This patch fixes a risk of buffer overflow by ensuring negative error
+    codes in XMLNode::parseFile are properly handled, as well a NULL
+    values. (Closes: #1140562)
+
+ -- Étienne Mollier <emollier at debian.org>  Tue, 23 Jun 2026 21:44:21 +0200
+
 dcmtk (3.6.9-5+deb13u1) trixie; urgency=medium
 
   * Team upload


=====================================
debian/patches/0019-CVE-2026-12805.patch
=====================================
@@ -0,0 +1,34 @@
+commit 1d4b3815c0987840a983160bfc671fef63a3105b
+Author: Marco Eichelberg <eichelberg at offis.de>
+Date:   Sat May 23 17:07:58 2026 +0200
+
+    Fixed buffer overflow in XMLNode::parseFile().
+    
+    Fixed a heap buffer overflow that could occur in the XML parser
+    when reading from a named pipe.
+    
+    Thanks to Cristhian Daniel Rivas Zúñiga and Sebastian Andres Muñoz Morera
+    (Insituto Tecnológico de Costa Rica) for the bug report and fix.
+    
+    This closes DCMTK issue #1208.
+
+--- dcmtk.orig/ofstd/libsrc/ofxml.cc
++++ dcmtk/ofstd/libsrc/ofxml.cc
+@@ -1,6 +1,6 @@
+ /*
+  *
+- *  Copyright (C) 2011-2023, OFFIS e.V.
++ *  Copyright (C) 2011-2026, OFFIS e.V.
+  *  All rights reserved.  See COPYRIGHT file for details.
+  *
+  *  This software and supporting documentation were slightly modified by
+@@ -1961,7 +1961,8 @@
+     if (f==NULL) { if (pResults) pResults->error=eXMLErrorFileNotFound; return emptyXMLNode; }
+     fseek(f,0,SEEK_END);
+     int l=OFstatic_cast(int, ftell(f)),headerSz=0;
+-    if (!l) { if (pResults) pResults->error=eXMLErrorEmpty; fclose(f); return emptyXMLNode; }
++    // DCMTK: handle situation where ftell() returns -1
++    if (l <= 0) { if (pResults) pResults->error=eXMLErrorEmpty; fclose(f); return emptyXMLNode; }
+     fseek(f,0,SEEK_SET);
+     unsigned char *buf=OFreinterpret_cast(unsigned char*, malloc(l+4));
+     l=OFstatic_cast(int, fread(buf,1,l,f));


=====================================
debian/patches/series
=====================================
@@ -14,3 +14,4 @@ remove_version.patch
 0016-CVE-2026-5663.patch
 0017-CVE-2025-14841.patch
 0018-CVE-2026-10194.patch
+0019-CVE-2026-12805.patch



View it on GitLab: https://salsa.debian.org/med-team/dcmtk/-/compare/0673f03c36c307079cb34b9d00a6366a7ff71814...a83229fb604786c30145c04a02ad1c2e19952d0e

-- 
View it on GitLab: https://salsa.debian.org/med-team/dcmtk/-/compare/0673f03c36c307079cb34b9d00a6366a7ff71814...a83229fb604786c30145c04a02ad1c2e19952d0e
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