wireshark: Use after free in packet-q931.c
Published May 22, 2018
7.5
HIGHCVSS 3.0
EPSS 2.83%
Description
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet prevented certain cleanup.
Affected products
No data.
Configuration 1
Configuration 2
- 7.0
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
wireshark
Will not fix
Red Hat Enterprise Linux 6
wireshark
Will not fix
Red Hat Enterprise Linux 7
wireshark
Will not fix
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 7 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | n/a |
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.
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:H/PR:N/UI:N/S:U/C:N/I:L/A:H
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 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 1, 2026 | 2.83% (0.02827) | 86.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.84% (0.02843) | 84.79th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.64% (0.01637) | 80.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.15% (0.03149) | 78.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.64% (0.01637) | 80.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00296) | 70.15th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00296) | 68.49th | v3 (v2023.03.01) |
| Dec 16, 2023 | 0.30% (0.00296) | 66.00th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.32% (0.00324) | 67.52th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.28% (0.00279) | 64.84th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.20% (0.00204) | 58.09th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.25% (0.00250) | 62.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00192) | 55.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | 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 | v5 (v2026.06.15) |
| 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/104308 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041036 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-11358 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14689 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1581773 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=ccb1ac3c8cec47fbbbf2e80ced80644005c65252 x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-11358
- https://www.cve.org/CVERecord?id=CVE-2018-11358
- https://www.debian.org/security/2018/dsa-4217 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-31.html x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.