dovecot: Information Leak Vulnerability in rfc822_parse_domain leading to denial-of-service
Published Mar 2, 2018
7.1
HIGHCVSS 3.0
EPSS 16.68%
Description
A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.
Affected products
-
- Version 2.2.33.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Dovecot Project | Dovecot | n/a |
|
No data.
Red Hat Enterprise Linux 5
dovecot
Not affected
Red Hat Enterprise Linux 6
dovecot
Affected
Red Hat Enterprise Linux 7
dovecot
Affected
Red Hat Enterprise Linux 8
dovecot
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dovecot | Not affected | n/a |
| Red Hat Enterprise Linux 6 | dovecot | Affected | n/a |
| Red Hat Enterprise Linux 7 | dovecot | Affected | 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:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
AV:N/AC:L/Au:S/C:P/I:N/A:P
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 16.68% (0.16677) | 96.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.57% (0.17572) | 96.75th | v5 (v2026.06.15) |
| Mar 11, 2026 | 2.16% (0.02161) | 84.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.03% (0.01031) | 75.81th | v4 (v2025.03.14) |
| Dec 17, 2024 | 18.22% (0.18221) | 96.17th | v3 (v2023.03.01) |
| Feb 8, 2024 | 31.75% (0.31745) | 96.84th | v3 (v2023.03.01) |
| Sep 26, 2023 | 39.09% (0.39087) | 96.78th | v3 (v2023.03.01) |
| Sep 2, 2023 | 46.80% (0.46804) | 96.97th | v3 (v2023.03.01) |
| Jul 24, 2023 | 54.46% (0.54459) | 97.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 61.59% (0.61587) | 97.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.06% (0.02061) | 50.21th | v1 |
| Jan 6, 2022 | 2.06% (0.02061) | 49.70th | v1 |
| Sep 1, 2021 | 2.06% (0.02061) | 76.87th | v1 |
| Apr 14, 2021 | 2.06% (0.02061) | 0.00th | v1 |
References (12)
- http://www.securityfocus.com/bid/103201 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-14461 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1549483 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-14461
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0510 x_refsource_MISCThird Party Advisory
- https://usn.ubuntu.com/3587-1/ vendor-advisoryx_refsource_UBUNTUPatchThird Party Advisory
- https://usn.ubuntu.com/3587-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-14461
- https://www.debian.org/security/2018/dsa-4130 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.html mailing-listx_refsource_MLISTIssue TrackingVendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0510
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103201 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-14461 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1549483 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-14461 | ||
| https://talosintelligence.com/vulnerability_reports/TALOS-2017-0510 | x_refsource_MISCThird Party Advisory | |
| https://usn.ubuntu.com/3587-1/ | vendor-advisoryx_refsource_UBUNTUPatchThird Party Advisory | |
| https://usn.ubuntu.com/3587-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-14461 | ||
| https://www.debian.org/security/2018/dsa-4130 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.dovecot.org/list/dovecot-news/2018-February/000370.html | mailing-listx_refsource_MLISTIssue TrackingVendor Advisory | |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0510 |
Change history (0)
No recorded changes yet.