Your message dated Sat, 24 Oct 2026 19:21:56 +0000
with message-id <[email protected]>
and subject line Bug#1150200: fixed in qtbase-opensource-src 5.15.19+dfsg-6
has caused the Debian Bug report #1150200,
regarding qtbase-opensource-src: CVE-2026-78253
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1150200: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1150200
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: qtbase-opensource-src
X-Debbugs-CC: [email protected]
Severity: important
Tags: security
Hi,
The following vulnerability was published for qtbase-opensource-src.
CVE-2026-78253[0]:
| Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt
| Group Qt allows attackers to cause a denial of service (application
| crash via stack exhaustion) via a crafted XML document.
This for fixed for qt6-base in 6.11.2+dfsg-5, but appears to also
affect Qt5:
https://codereview.qt-project.org/c/qt/qtbase/+/754345
https://github.com/qt/qtbase/commit/f91c48650443262db9be37d5239ebe0db18e9555
(v6.11.2)
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2026-78253
https://www.cve.org/CVERecord?id=CVE-2026-78253
Please adjust the affected versions in the BTS as needed.
--- End Message ---
--- Begin Message ---
Source: qtbase-opensource-src
Source-Version: 5.15.19+dfsg-6
Done: Dmitry Shachnev <[email protected]>
We believe that the bug you reported is fixed in the latest version of
qtbase-opensource-src, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Dmitry Shachnev <[email protected]> (supplier of updated qtbase-opensource-src
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
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Hash: SHA512
Format: 1.8
Date: Sat, 24 Oct 2026 21:46:16 +0300
Source: qtbase-opensource-src
Architecture: source
Version: 5.15.19+dfsg-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Qt/KDE Maintainers <[email protected]>
Changed-By: Dmitry Shachnev <[email protected]>
Closes: 1150200
Changes:
qtbase-opensource-src (5.15.19+dfsg-6) unstable; urgency=medium
.
* Backport upstream patch to avoid stack exhaustion in QXmlStreamReader
(CVE-2026-78253, closes: #1150200).
* Update symbols files from the logs of buildds.
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