mgetty: Stack-based buffer overflow in fax_notify_mail() in faxrec.c
Published Sep 13, 2018
7.8
HIGHCVSS 3.0
EPSS 0.45%
Description
An issue was discovered in mgetty before 1.2.1. In fax_notify_mail() in faxrec.c, the mail_to parameter is not sanitized. It could allow a buffer overflow if long untrusted input can reach it.
Affected products
No data.
- < 1.2.1
No data.
Red Hat Enterprise Linux 5
mgetty
Will not fix
Red Hat Enterprise Linux 6
mgetty
Will not fix
Red Hat Enterprise Linux 7
mgetty
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | mgetty | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | mgetty | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | mgetty | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Make sure the `notify` option in /etc/mgetty+sendfax/mgetty.config does not contain more than 150 characters and that the file is readable and writable only by root.
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
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:P/I:P/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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.45% (0.00448) | 36.61th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.45% (0.00448) | 38.30th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00051) | 20.64th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00051) | 20.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 18.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-16745 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1629979 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-16745
- https://www.cve.org/CVERecord?id=CVE-2018-16745
- https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-16745 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1629979 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16745 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-16745 | ||
| https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.