=========================================================================Ubuntu Security Notice USN-4558-1
September 30, 2020

libapreq2 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

libapreq2 could be made to crash if it received specially crafted network
traffic.

Software Description:
- libapreq2: a safe, standards-compliant, high-performance library used for
parsing HTTP cookies, query-strings and POST data

Details:

It was discovered that libapreq2 did not properly sanitize the Content-Type
field in certain, crafted HTTP requests. An attacker could use this
vulnerability to cause libapreq2 to crash.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  libapache2-mod-apreq2           2.13-7~deb10u1build0.18.04.1
  libapache2-request-perl         2.13-7~deb10u1build0.18.04.1
  libapreq2-3                     2.13-7~deb10u1build0.18.04.1
  libapreq2-dev                   2.13-7~deb10u1build0.18.04.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-4558-1
  CVE-2019-12412

Package Information:
  https://launchpad.net/ubuntu/+source/libapreq2/2.13-7~deb10u1build0.18.04.1

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