dovecot: Buffer overflow in indexer-worker process results in privilege escalation
Published Mar 28, 2019
8.8
HIGHCVSS 3.0
EPSS 1.18%
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.
Affected products
No data.
Configuration 1
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 7
dovecot-1:2.2.36-6.el7
Fixed · RHSA-2020:1062
Red Hat Enterprise Linux 5
dovecot
Will not fix
Red Hat Enterprise Linux 6
dovecot
Will not fix
Red Hat Enterprise Linux 8
dovecot
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | dovecot-1:2.2.36-6.el7 | Fixed | RHSA-2020:1062 |
| Red Hat Enterprise Linux 5 | dovecot | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | dovecot | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | dovecot | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2 other sources (MITRE, Red Hat) ▾
CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:C/UI:N
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.18% (0.01178) | 66.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.18% (0.01178) | 63.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00051) | 12.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.92th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.04% (0.00044) | 10.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Mar 31, 2022 | 5.84% (0.05839) | 77.91th | v2 (v2022.01.01) |
| Jan 6, 2022 | 6.60% (0.06596) | 82.73th | v1 |
| Jan 5, 2022 | 1.55% (0.01550) | 73.69th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.55% (0.01550) | 0.00th | v1 |
References (17)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/03/28/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/107672 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-7524 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1696152 Issue Tracking
- https://dovecot.org/list/dovecot-news/2019-March/000403.html x_refsource_MISCVendor Advisory
- https://dovecot.org/security.html x_refsource_MISCVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-7524
- https://seclists.org/bugtraq/2019/Mar/59 mailing-listx_refsource_BUGTRAQIssue TrackingMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201904-19 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/3928-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-7524
- https://www.debian.org/security/2019/dsa-4418 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.