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Date:      Mon, 30 Oct 2023 22:57:04 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 274822] graphics/optipng: Update to 0.7.7_1 and fix CVE-2023-43907
Message-ID:  <bug-274822-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D274822

            Bug ID: 274822
           Summary: graphics/optipng: Update to 0.7.7_1 and fix
                    CVE-2023-43907
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: tom@hur.st

Created attachment 246007
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D246007&action=
=3Dedit
Patch for graphics/optipng

Patch in a bounds check in gifread.c, verified as preventing the out of bou=
nds
1 byte read demonstrated by
https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/optipng-global-buffe=
r-overflow1/optipng-global-buffer-overflow1.md

The optional configuration for using bundled libraries has been removed due=
 to
their age (with several CVEs noted in libpng since) and lack of any
demonstrated benefit.

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