mutt: IMAP header caching path traversal vulnerability
Published Jul 17, 2018
5.3
MEDIUMCVSS 3.1
EPSS 3.32%
Description
An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/util.c mishandles ".." directory traversal in a mailbox name.
Affected products
No data.
Configuration 1
- 8.0
- 9.0
Configuration 3
- 16.04
No data.
Red Hat Enterprise Linux 7
mutt-5:1.5.21-29.el7
Fixed · RHSA-2020:1126
Red Hat Enterprise Linux 5
mutt
Not affected
Red Hat Enterprise Linux 6
mutt
Will not fix
Red Hat Enterprise Linux 8
mutt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | mutt-5:1.5.21-29.el7 | Fixed | RHSA-2020:1126 |
| Red Hat Enterprise Linux 5 | mutt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | mutt | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | mutt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.32% (0.03317) | 88.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.32% (0.03317) | 86.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.61% (0.00607) | 67.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00332) | 72.00th | v3 (v2023.03.01) |
| Feb 10, 2024 | 0.33% (0.00332) | 70.33th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00424) | 73.61th | v3 (v2023.03.01) |
| Dec 8, 2023 | 0.42% (0.00424) | 71.43th | v3 (v2023.03.01) |
| Jul 15, 2023 | 0.44% (0.00439) | 71.40th | v3 (v2023.03.01) |
| Jul 11, 2023 | 0.58% (0.00576) | 75.03th | v3 (v2023.03.01) |
| May 8, 2023 | 0.51% (0.00510) | 73.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00389) | 69.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.86% (0.01865) | 48.06th | v1 |
| Jan 6, 2022 | 1.86% (0.01865) | 47.54th | v1 |
| Sep 1, 2021 | 1.86% (0.01865) | 76.13th | v1 |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (12)
- http://www.mutt.org/news.html x_refsource_MISCRelease NotesVendor Advisory
- https://access.redhat.com/security/cve/CVE-2018-14355 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1602081 Issue Tracking
- https://github.com/neomutt/neomutt/commit/57971dba06346b2d7179294f4528b8d4427a7c5d x_refsource_MISCPatchThird Party Advisory
- https://gitlab.com/muttmua/mutt/commit/31eef6c766f47df8281942d19f76e35f475c781d x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00001.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://neomutt.org/2018/07/16/release x_refsource_MISCRelease NotesVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14355
- https://security.gentoo.org/glsa/201810-07 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3719-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14355
- https://www.debian.org/security/2018/dsa-4277 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.