HIGH
murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood
Published Jan 25, 2019
7.5
HIGHCVSS 3.0
EPSS 3.62%
Description
murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.
Affected products
No data.
Configuration 2
OR
- 8.0
- 9.0
No data.
No Red Hat product state for this CVE.
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
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.
3.62% 0.03625
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03625
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.62% (0.03625) | 89.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.62% (0.03625) | 88.01th | v5 (v2026.06.15) |
| Dec 28, 2025 | 7.13% (0.07129) | 91.24th | v4 (v2025.03.14) |
| Dec 27, 2025 | 4.58% (0.04581) | 88.91th | v4 (v2025.03.14) |
| Oct 28, 2025 | 7.51% (0.07515) | 91.37th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.84% (0.04839) | 89.07th | v4 (v2025.03.14) |
| Oct 1, 2025 | 7.51% (0.07515) | 91.47th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.84% (0.04839) | 89.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.51% (0.07515) | 91.16th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.07% (0.02072) | 88.75th | v3 (v2023.03.01) |
| Jun 17, 2024 | 3.57% (0.03570) | 91.64th | v3 (v2023.03.01) |
| Jan 19, 2024 | 4.93% (0.04933) | 92.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.02% (0.05023) | 91.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.21% (0.03209) | 66.48th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.21% (0.03209) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html vendor-advisoryx_refsource_SUSE
- https://bugs.debian.org/919249 x_refsource_MISCIssue TrackingMailing ListThird Party Advisory
- https://github.com/mumble-voip/mumble/issues/3505 x_refsource_MISCPatchThird Party Advisory
- https://github.com/mumble-voip/mumble/pull/3510 x_refsource_MISCPatchThird Party Advisory
- https://github.com/mumble-voip/mumble/pull/3512 x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html mailing-listx_refsource_MLISTThird Party Advisory
- https://www.debian.org/security/2019/dsa-4402 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html | vendor-advisoryx_refsource_SUSE | |
| https://bugs.debian.org/919249 | x_refsource_MISCIssue TrackingMailing ListThird Party Advisory | |
| https://github.com/mumble-voip/mumble/issues/3505 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/mumble-voip/mumble/pull/3510 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/mumble-voip/mumble/pull/3512 | x_refsource_MISCPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://www.debian.org/security/2019/dsa-4402 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 25, 2019
Updated Aug 5, 2024
Reserved Jan 25, 2019
Link CVE-2018-20743
CISA Vulnrichment
Updated n/a