CRITICAL
mutt: integer underflow in imap/util.c
Published Jul 17, 2018
9.8
CRITICALCVSS 3.1
EPSS 3.70%
Description
An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap_quote_string in imap/util.c has an integer underflow.
Affected products
No data.
Configuration 2
OR
- 14.04
- 16.04
- 18.04
Configuration 3
OR
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
mutt
Will not fix
Red Hat Enterprise Linux 6
mutt
Will not fix
Red Hat Enterprise Linux 7
mutt
Fix deferred
Red Hat Enterprise Linux 8
mutt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | mutt | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | mutt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | mutt | Fix deferred | 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.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.3 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.70% 0.03698
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03698
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.70% (0.03698) | 89.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.70% (0.03698) | 88.26th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.13% (0.02134) | 83.63th | v4 (v2025.03.14) |
| Nov 18, 2025 | 9.24% (0.09242) | 91.88th | v4 (v2025.03.14) |
| Sep 23, 2025 | 2.42% (0.02424) | 84.59th | v4 (v2025.03.14) |
| Jul 12, 2025 | 4.42% (0.04419) | 88.54th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.83% (0.02835) | 84.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.02% (0.07015) | 85.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.83% (0.02835) | 85.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.96% (0.00958) | 83.93th | v3 (v2023.03.01) |
| Feb 10, 2024 | 1.03% (0.01032) | 83.39th | v3 (v2023.03.01) |
| Dec 8, 2023 | 1.31% (0.01312) | 84.37th | v3 (v2023.03.01) |
| Jul 15, 2023 | 1.12% (0.01123) | 82.70th | v3 (v2023.03.01) |
| Jul 11, 2023 | 1.47% (0.01469) | 84.94th | v3 (v2023.03.01) |
| May 8, 2023 | 1.19% (0.01192) | 83.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.91% (0.00910) | 80.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.07% (0.02069) | 50.36th | v1 |
| Jan 6, 2022 | 2.07% (0.02069) | 49.86th | v1 |
| Sep 1, 2021 | 2.07% (0.02069) | 77.27th | v1 |
| Apr 14, 2021 | 2.07% (0.02069) | 0.00th | v1 |
Weaknesses (2)
References (13)
- http://www.mutt.org/news.html x_refsource_MISCRelease NotesVendor Advisory
- https://access.redhat.com/security/cve/CVE-2018-14353 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1604040 Issue Tracking
- https://github.com/neomutt/neomutt/commit/65d64a5b60a4a3883f2cd799d92c6091d8854f23 x_refsource_MISCPatchThird Party Advisory
- https://gitlab.com/muttmua/mutt/commit/e0131852c6059107939893016c8ff56b6e42865d 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-2018-14353
- https://security.gentoo.org/glsa/201810-07 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3719-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3719-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14353
- https://www.debian.org/security/2018/dsa-4277 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 17, 2018
Updated Aug 5, 2024
Reserved Jul 17, 2018
Link CVE-2018-14353
CISA Vulnrichment
Updated n/a