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AUSCERT External Security Bulletin Redistribution
dovecot security update
1 April 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Denial of Service -- Existing Account
CVE Names: CVE-2019-7524
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Package : dovecot
Version : 1:2.2.13-12~deb8u6
CVE ID : CVE-2019-7524
A security vulnerability was discovered in the Dovecot email server.
When reading FTS headers from the Dovecot index, the input buffer
size is not bounds-checked. An attacker with the ability to modify
dovecot indexes, can take advantage of this flaw for privilege
escalation or the execution of arbitrary code with the permissions of
the dovecot user. Only installations using the FTS plugins are affected.
For Debian 8 "Jessie", this problem has been fixed in version
We recommend that you upgrade your dovecot packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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