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Fedora 32: 2020-d67cc48dce moderate: pngcheck Executable Hardening

fedora
Calendar Grey November 5, 2020
Dist Fedora Esm H88
Enhances executable fortification within pngcheck for Fedora 32 to bolster security protocols.
Fix executable hardening (PIC/PIE)

Summary

pngcheck verifies the integrity of PNG, JNG and MNG files (by checking the

internal 32-bit CRCs [checksums] and decompressing the image data); it can

optionally dump almost all of the chunk-level information in the image in

human-readable form. For example, it can be used to print the basic statistics

about an image (dimensions, bit depth, etc.); to list the color and

transparency info in its palette (assuming it has one); or to extract the

embedded text annotations. This is a command-line program with batch

capabilities.

The current release supports all PNG, MNG and JNG chunks, including the newly

approved sTER stereo-layout chunk. It correctly reports errors in all but two

of the images in Chris Nokleberg's brokensuite-20061204.

Fix executable hardening (PIC/PIE)

* Wed Oct 28 2020 Benjamin A. Beasley - 2.3.0-3

- Add _hardened_build macro for EPEL

* Wed Oct 28 2020 Benjamin A. Beasley - 2.3.0-2

- Work around Makefile.unx not actually using LDFLAGS; this fixes hardened

build (PIE)

su -c 'dnf upgrade --advisory FEDORA-2020-d67cc48dce' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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Change Log

References

Update Instructions

Product: Fedora 32
Version: 2.3.0
Release: 3.fc32
Summary: Verifies the integrity of PNG, JNG and MNG files

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