https://usn.ubuntu.com/4237-2/

USN-4237-2: SpamAssassin vulnerabilities

spamassassin vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 14.04 ESM
Ubuntu 12.04 ESM
Summary
Several security issues were fixed in SpamAssassin.
Software Description
spamassassin - Perl-based spam filter using text analysis
Details
USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
Original advisory details:
It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially-crafted CF file, a remote attacker could possibly run arbitrary code. (CVE-2018-11805)
It was discovered that SpamAssassin incorrectly handled certain messages. A remote attacker could possibly use this issue to cause SpamAssassin to consume resources, resulting in a denial of service. (CVE-2019-12420)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM
spamassassin - 3.4.2-0ubuntu0.14.04.1+esm1
Ubuntu 12.04 ESM
spamassassin - 3.4.2-0ubuntu0.12.04.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
USN-4237-1
CVE-2018-11805
CVE-2019-12420
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Ubuntu是一个以桌面应用为主的Linux操作系统

CVE-2019-12420

CVE-2018-11805

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