> 
> https://blog.clamav.net/2021/06/clamav-01033-patch-release.html 
> <https://blog.clamav.net/2021/06/clamav-01033-patch-release.html>
> 
> ClamAV 0.103.3 patch release
> 
> ClamAV 0.103.3 is out now. Users can head over to clamav.net/downloads 
> <https://www.clamav.net/downloads> to download the release materials.
> 
>  
> 0.103.3 includes the following fixes:
> 
> Fixed a scan performance issue when ENGINE_OPTIONS_FORCE_TO_DISK is enabled. 
> This issue did not impacted most users but for those affected it caused every 
> scanned file to be copied to the temp directory before the scan.
> 
> Fix ClamDScan crashes when using the --fdpass --multiscan command-line 
> options in combination with the ClamD ExcludePath config file options.
> 
> Fixed an issue where the mirrors.dat file is owned by root when starting as 
> root (or with sudo) and using daemon-mode. File ownership will be set to the 
> DatabaseOwner just before FreshClam switches to run as that user.
> 
> Renamed the mirrors.dat file to freshclam.dat.
> 
> We used to recommend deleting mirrors.dat if FreshClam failed to update. This 
> is because mirrors.dat used to keep track of offline mirrors and network 
> interruptions were known to cause FreshClam to think that all mirrors were 
> offline. ClamAV now uses a paid CDN instead of a mirror network, and the new 
> FreshClam DAT file no longer stores that kind of information. The UUID used 
> in ClamAV's HTTP User-Agent is stored in the FreshClam DAT file and we want 
> the UUID to persist between runs, even if there was a failure.
> 
> Unfortunately, some users have FreshClam configured to automatically delete 
> mirrors.dat if FreshClam failed. Renaming mirrors.dat to freshclam.dat should 
> make it so those scripts don't delete important FreshClam data.
> 
> Disabled the HTTPUserAgent config option if the DatabaseMirror uses 
> clamav.net. This will prevent users from being inadvertently blocked and will 
> ensure that we can keep better metrics on which ClamAV versions are being 
> used.
> 
> This change effectively deprecates the HTTPUserAgent option for most users.
> 
> Moved the detection for Heuristics.PNG.CVE-2010-1205 behind the ClamScan 
> --alert-broken-media option (ClamD AlertBrokenMedia yes) option. This type of 
> PNG issue appears to be common enough to be an annoyance, and the CVE is old 
> enough that no one should be vulnerable at this point.
> 
> Fix ClamSubmit failures after changes to Cloudflare "__cfduid" cookies. See: 
> https://blog.cloudflare.com/deprecating-cfduid-cookie/ 
> <https://blog.cloudflare.com/deprecating-cfduid-cookie/>
> Special thanks to the following for code contributions and bug reports:
> 
> Stephen Agate
> Tom Briden

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