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Vulnerability record · CVE-2019-7524 · published 28 March 2019

CVE-2019-7524: Dovecot memory buffer overflow vulnerability

Dovecot · Dovecot

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.

7.8 CVSS 3.0 High EPSS 1.2% · top 33.6% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 7.2
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD

Description

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/28/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/107672 Third Party AdvisoryVDB Entry
https://dovecot.org/list/dovecot-news/2019-March/000403.html Vendor Advisory
https://dovecot.org/security.html Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZ
https://seclists.org/bugtraq/2019/Mar/59 Issue TrackingMailing ListThird Party Advisory
https://security.gentoo.org/glsa/201904-19
https://usn.ubuntu.com/3928-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4418 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/28/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/107672 Third Party AdvisoryVDB Entry
https://dovecot.org/list/dovecot-news/2019-March/000403.html Vendor Advisory
https://dovecot.org/security.html Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZ
https://seclists.org/bugtraq/2019/Mar/59 Issue TrackingMailing ListThird Party Advisory
https://security.gentoo.org/glsa/201904-19
https://usn.ubuntu.com/3928-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4418 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-7524), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.