MEDIUM
mongoose: SIGSEGV in mg_mqtt_add_session() in mongoose.c
Published Nov 27, 2018
6.5
MEDIUMCVSS 3.0
EPSS 0.94%
Description
In Cesanta Mongoose 6.13, a SIGSEGV exists in the mongoose.c mg_mqtt_add_session() function.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
4.4 MEDIUM Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact Low
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.94% 0.00944
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00944
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 | 0.94% (0.00944) | 59.64th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.94% (0.00944) | 59.52th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.37% (0.00369) | 72.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.37% (0.00369) | 71.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.37% (0.00369) | 68.24th | 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 |
Weaknesses (2)
References (5)
- https://access.redhat.com/security/cve/CVE-2018-19587 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1656205 Issue Tracking
- https://github.com/insi2304/mongoose-fuzz x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19587
- https://www.cve.org/CVERecord?id=CVE-2018-19587
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-19587 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1656205 | Issue Tracking | |
| https://github.com/insi2304/mongoose-fuzz | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19587 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-19587 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 27, 2018
Updated Aug 5, 2024
Reserved Nov 26, 2018
Link CVE-2018-19587
CISA Vulnrichment
Updated n/a