openSUSE Security Update: Security update for htmldoc
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2021:0895-1
Rating:             important
References:         #1184424 
Cross-References:   CVE-2021-20308
CVSS scores:
                    CVE-2021-20308 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-20308 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products:
                    openSUSE Backports SLE-15-SP1
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for htmldoc fixes the following issues:

   Update to version 1.9.12

   * Fixed buffer-overflow CVE-2021-20308 ( boo#1184424 )
   * Fixed a crash bug with "data:" URIs and EPUB output
   * Fixed several other crash bugs
   * Fixed JPEG error handling
   * Fixed some minor issues
   * Removed the bundled libjpeg, libpng, and zlib.

   update to 1.9.11:

   - Added high-resolution desktop icons for Linux.
   - Updated the internal HTTP library to fix truncation of redirection URLs
   - Fixed a regression in the handling of character entities for UTF-8 input
   - The `--numbered` option did not work when the table-of-contents was
     disabled
   - Updated local zlib to v1.2.11.
   - Updated local libpng to v1.6.37.
   - Fixed packaging issues on macOS and Windows
   - Now ignore sRGB profile errors in PNG files
   - The GUI would crash when saving
   - Page comments are now allowed in `pre` text

   update to 1.9.9:

   - Added support for a `HTMLDOC.filename` META keyword that controls the
     filename reported in CGI mode; the default remains "htmldoc.pdf" (Issue
     #367)
   - Fixed a paragraph formatting issue with large inline images (Issue #369)
   - Fixed a buffer underflow issue (Issue #370)
   - Fixed PDF page numbers (Issue #371)
   - Added support for a new `L` header/footer format (`$LETTERHEAD`), which
     inserts a letterhead image at its full size (Issue #372, Issue #373,
     Issue #375)
   - Updated the build documentation (Issue #374)
   - Refactored the PRE rendering code to work around compiler optimization
     bugs
   - Added support for links with targets (Issue #351)
   - Fixed a table rowspan + valign bug (Issue #360)
   - Added support for data URIs (Issue #340)
   - HTMLDOC no longer includes a PDF table of contents when converting a
     single web page (Issue #344)
   - Updated the markdown support with external links, additional inline
     markup, and hard line breaks.
   - Links in markdown text no longer render with a leading space as part of
     the link (Issue #346)
   - Fixed a buffer underflow bug discovered by AddressSanitizer.
   - Fixed a bug in UTF-8 support (Issue #348)
   - PDF output now includes the base language of the input document(s)
   - Optimized the loading of font widths (Issue #354)
   - Optimized PDF page resources (Issue #356)
   - Optimized the base memory used for font widths (Issue #357)
   - Added proper `­` support (Issue #361)
   - Title files can now be markdown.
   - The GUI did not support EPUB output.
   - Empty markdown table cells were not rendered in PDF or PostScript output.
   - The automatically-generated title page now supports both "docnumber" and
     "version" metadata.
   - Added support for dc:subject and dc:language metadata in EPUB output
     from the HTML keywords and lang values.
   - Added support for the subject and language metadata in markdown input.
   - Fixed a buffer underflow bug (Issue #338)
   - `htmldoc --help` now reports whether HTTPS URLs are supported (Issue
     #339)
   - Fixed an issue with HTML title pages and EPUB output.
   - Inline fixed-width text is no longer reduced in size automatically
   - Optimized initialization of font width data (Issue #334)
   - Fixed formatting bugs with aligned images (Issue #322, Issue #324)
   - Fixed support for three digit "#RGB" color values (Issue #323)
   - Fixed character set support for markdown metadata.
   - Updated libpng to v1.6.34 (Issue #326)
   - The makefiles did not use the CPPFLAGS value (Issue #328)
   - Added Markdown table support.
   - Fixed parsing of TBODY, TFOOT, and THEAD elements in HTML files.


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Backports SLE-15-SP1:

      zypper in -t patch openSUSE-2021-895=1



Package List:

   - openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):

      htmldoc-1.9.12-bp151.4.3.1


References:

   https://www.suse.com/security/cve/CVE-2021-20308.html
   https://bugzilla.suse.com/1184424