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Ubuntu 20.10 & 20.04 LTS: USN-4631-1 Critical Libmaxminddb DoS Issue

ubuntu
Calendar Grey November 12, 2020
Dist Ubuntu Esm H88
Keep your Ubuntu installations current to address the libmaxminddb vulnerability. Protect your programs against possible threats.
libmaxminddb could be made to crash if it received specially crafted data.

Summary

libmaxminddb could be made to crash if it received specially crafted data.

Software Description:

- libmaxminddb: C library for the MaxMind DB file format

Details:

It was discovered that libmaxminddb incorrectly handled certain memory

operations. A remote attacker could possibly use this issue to cause

applications using libmaxminddb to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service remote attack Ubuntu memory operations libmaxminddb

Update Instructions

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

Ubuntu 20.10:
  libmaxminddb0                   1.4.2-0ubuntu1.20.10.1

Ubuntu 20.04 LTS:
  libmaxminddb0                   1.4.2-0ubuntu1.20.04.1

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

References

https://ubuntu.com/security/notices/USN-4631-1

CVE-2020-28241

Severity
critical
Lowest
Low
Medium
High
Critical

November 12, 2020

Topics%20covered

Topics Covered

security advisory denial of service remote attack Ubuntu memory operations libmaxminddb

Package Information

https://launchpad.net/ubuntu/+source/libmaxminddb/1.4.2-0ubuntu1.20.10.1
https://launchpad.net/ubuntu/+source/libmaxminddb/1.4.2-0ubuntu1.20.04.1

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