diff --git a/htmldoc b/htmldoc
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+++ b/htmldoc
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-Subproject commit db696f6a95098555d4893ad93d6663b0f63cc4a19ad0339395c656eeebab814f
+Subproject commit 0677f71aa3df98203244a2ed5583e62c066cf0381678e646c541a895e3eda12e
diff --git a/patchinfo.20260203172101250739.93181000773252/_patchinfo b/patchinfo.20260203172101250739.93181000773252/_patchinfo
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+<patchinfo>
+  <issue tracker="cve" id="2024-46478"/>
+  <issue tracker="bnc" id="1232380">VUL-0: CVE-2024-46478: htmldoc: buffer overflow when handling tabs through the parse_pre function (ps-pdf.cxx)</issue>
+  <issue tracker="cve" id="2024-45508"/>
+  <packager>pgajdos</packager>
+  <rating>critical</rating>
+  <category>security</category>
+  <summary>Security update for htmldoc</summary>
+  <description>This update for htmldoc fixes the following issues:
+
+Changes in htmldoc:
+
+- CVE-2024-46478: Fixed buffer overflow when handling tabs through the parse_pre function (bsc#1232380).
+
+- version update to 1.9.23:
+  * Fixed a regression in list handling that caused a crash for empty list items
+    (Issue #553)
+  * Fixed a regression in the number of rendered table of contents levels in PDF
+    and PostScript output (Issue #554)
+
+- version update to 1.9.22:
+  * Added a "--without-http" configure option to build without CUPS HTTP/HTTPS
+    support (Issue #547)
+  * Updated HTTP/HTTPS support to work with both CUPS 2.x and 3.x.
+  * Updated the maximum image dimension to prevent integer overflow on 32-bit
+    platforms (Issue #550)
+  * Updated the HTML parser to correctly report the line number of errors in files
+    with more than 2^32-1 lines (Issue #551)
+  * Fixed a crash bug with certain markdown files (Issue #548)
+  * Fixed an unrestricted recursion bug when reading and formatting HTML (Issue #552)
+
+- version update to 1.9.21
+  * Updated HTTP/HTTPS connection error reporting to include the reason.
+  * Updated markdown parser.
+  * Updated the HTTP/HTTPS connection timeout to 5 minutes (Issue #541)
+  * Fixed a bug in the new PDF link code (Issue #536)
+  * Fixed a bug in the number-up code (Issue #539)
+  * Fixed a regression in leading whitespace handling (Issue #540)
+  * Fixed a bug in numbered heading support (Issue #543)
+  * Fixed a bug with setting the header on the first page (Issue #544)
+  * Fixed paths in the HTMLDOC snap (Issue #545)
+
+- update to 1.9.20:
+  * Fix a regression that caused spaces to disappear between some words
+  * Fix resolution of relative links within a document
+
+- includes changes from 1.9.19:
+  * Add support for ‘file’ method in links
+  * Update markdown support code to mmd
+  * Fix hyperlinks to subfolders
+  * Fix export of UTF-8 HTML
+  * Fix handling of whitespace-only nodes
+  * Fix case sensitivity of link targets
+</description>
+  <package>htmldoc</package>
+</patchinfo>