This bug was fixed in the package qt6-base - 6.8.3+dfsg-0ubuntu2
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qt6-base (6.8.3+dfsg-0ubuntu2) plucky; urgency=high
* SECURITY UPDATE: Heap-based Buffer Overflow vulnerability in
QTextMarkdownImporter (LP: #2107302):
- debian/patches/CVE-2025-3512.patch: Fixed a heap buffer overflow in
QTextMarkdownImporter. The first marker for Front Matter must begin at
the first character of a Markdown document, and both markers must be
exactly ---\n or ---\r\n.
- CVE-2025-3512
-- Simon Quigley <[email protected]> Sun, 13 Apr 2025 22:51:20 -0500
** Changed in: qt6-base (Ubuntu)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2025-3512
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https://bugs.launchpad.net/bugs/2107302
Title:
CVE-2025-3512: Heap-based Buffer Overflow vulnerability in
QTextMarkdownImporter
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