A optipng security update has been released for Fedora 38.

[SECURITY] Fedora 38 Update: optipng-0.7.8-1.fc38

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Fedora Update Notification
FEDORA-2023-ae05c3bca8
2023-11-14 01:55:09.715323
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Name : optipng
Product : Fedora 38
Version : 0.7.8
Release : 1.fc38
URL : http://optipng.sourceforge.net/
Summary : PNG optimizer and converter
Description :
OptiPNG is a PNG optimizer that recompresses image files to a smaller size,
without losing any information. This program also converts external formats
(BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks
and corrections.

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Update Information:

Update to 0.7.8 Security fix for CVE-2023-43907
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ChangeLog:

* Sun Nov 5 2023 Peter Hanecak [hany@hany.sk] - 0.7.8-1
- Update to 0.7.8
* Thu Jul 20 2023 Fedora Release Engineering [releng@fedoraproject.org] - 0.7.7-12
- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
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References:

[ 1 ] Bug #2242461 - CVE-2023-43907 optipng: global buffer overflow via the 'buffer' variable at gifread.c. [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2242461
[ 2 ] Bug #2247874 - optipng-0.7.8 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2247874
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2023-ae05c3bca8' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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