wireshark: NULL pointer dereference resulting in a PVFS dissector crash
Published Nov 29, 2018
7.5
HIGHCVSS 3.0
EPSS 1.44%
Description
In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash. This was addressed in epan/dissectors/packet-pvfs2.c by preventing a NULL pointer dereference.
Affected products
No data.
Configuration 1
Configuration 2
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
Red Hat Enterprise Linux 7
wireshark
Not affected
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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:H
AV:N/AC:M/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.44% (0.01440) | 72.23th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.44% (0.01440) | 72.03th | v5 (v2026.06.15) |
| Sep 21, 2026 | 2.56% (0.02561) | 84.34th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.44% (0.01440) | 71.44th | v5 (v2026.06.15) |
| Sep 5, 2026 | 2.56% (0.02561) | 84.00th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.44% (0.01440) | 71.31th | v5 (v2026.06.15) |
| Aug 28, 2026 | 2.56% (0.02561) | 83.91th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.44% (0.01440) | 71.15th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.56% (0.02561) | 83.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.44% (0.01440) | 69.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00290) | 50.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00121) | 48.11th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.12% (0.00119) | 45.78th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.10% (0.00100) | 40.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00089) | 36.59th | 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/106051 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-19624 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15280 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1655934 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3e319db1107b08fc3be804b6d449143ec9aa0dec x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19624
- https://www.cve.org/CVERecord?id=CVE-2018-19624
- 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-2018-56.html x_refsource_MISCVendor Advisory
Change history (0)
No recorded changes yet.