[Bug 274822] graphics/optipng: Update to 0.7.7_1 and fix CVE-2023-43907

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 30 Oct 2023 22:57:04 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274822

            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=246007&action=edit
Patch for graphics/optipng

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

-- 
You are receiving this mail because:
You are the assignee for the bug.