Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.

References

• advisory https://access.redhat.com/errata/RHSA-2018:2916
• advisory https://lists.debian.org/debian-lts-announce/2018/11/msg00016.html
• advisory https://security.gentoo.org/glsa/201812-07
• advisory https://usn.ubuntu.com/3811-1/
• advisory https://usn.ubuntu.com/3811-3/
• web http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00002.html
• web https://lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c%40%3Cannounce.apache.org%3E