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A new updated apache2 package within Ubuntu 16.04 ELS is now available for download from our production repository.
CHANGELOG
apache2-2.4.18-2ubuntu3.19
- Fix ap_escape_quotes() that write beyond the end of a buffer when given malicious input (CVE-2021-39275)
- Fix ap_increment_counts() from pointer dereference without check (CVE-2021-34798)
- Add checks for the configured UDS path (CVE-2021-40438)
UPDATE COMMAND
apt-get update apt-get --only-upgrade install apache2*