wireshark: Infinite loop in the MMSE dissector
Published Nov 29, 2018
7.5
HIGHCVSS 3.0
EPSS 3.24%
Description
In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the MMSE dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-mmse.c by preventing length overflows.
Affected products
No data.
Configuration 1
Configuration 2
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 7
wireshark-0:1.10.14-24.el7
Fixed · RHSA-2020:1047
Red Hat Enterprise Linux 5
wireshark
Will not fix
Red Hat Enterprise Linux 6
wireshark
Will not fix
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | wireshark-0:1.10.14-24.el7 | Fixed | RHSA-2020:1047 |
| Red Hat Enterprise Linux 5 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/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 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 | 3.24% (0.03241) | 87.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.33% (0.03331) | 87.00th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.42% (0.01424) | 78.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.75% (0.02746) | 76.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.42% (0.01424) | 79.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.22% (0.00218) | 60.79th | v3 (v2023.03.01) |
| Apr 21, 2024 | 0.22% (0.00218) | 59.55th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00267) | 66.76th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.27% (0.00267) | 64.13th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.32% (0.00319) | 67.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00158) | 50.54th | 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://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/106051 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-19622 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15250 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1655932 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3b7555d32d11862f0e500ec466ad6bfe54190076 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19622
- https://www.cve.org/CVERecord?id=CVE-2018-19622
- https://www.debian.org/security/2018/dsa-4359 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
- https://www.wireshark.org/security/wnpa-sec-2018-54.html x_refsource_MISCVendor Advisory
Change history (0)
No recorded changes yet.