CVE-2018-9258
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors...
7.5 HighFix available
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
1.91%Up 0.9 points since Apr 14, 2021
What each source reports
NVD Score used
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
CVE-2018-9258- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
CVE-2018-9258- Updated
- 2026-11-02
EUVDEUVD-2018-20852 No score
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
EUVD-2018-20852- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jg7f-w5fw-2ppr
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors...
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
GHSA-jg7f-w5fw-2ppr- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVALPINE-CVE-2018-9258
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
ALPINE-CVE-2018-9258- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
CVE-2018-9258- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-9258
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
DEBIAN-CVE-2018-9258- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-9258
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
- Record
UBUNTU-CVE-2018-9258- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11513-1 No score
libwireshark14-3.4.8-1.2 on GA media
These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11513-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wiresharkAlpine:v3.10 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.11 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.12 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.13 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.14 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.15 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.16 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.17 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.18 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.19 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
Show 18 moreShow less
| Package | Affected | Fixed |
|---|---|---|
wiresharkAlpine:v3.20 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.21 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.22 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.23 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.24 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.5 |
2.4.0 up to 2.2.14-r0 | 2.2.14-r0 |
wiresharkAlpine:v3.7 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.8 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkAlpine:v3.9 |
2.4.0 up to 2.4.6-r0 | 2.4.6-r0 |
wiresharkDebian:12 |
before 2.4.6-1 | 2.4.6-1 |
wiresharkDebian:13 |
before 2.4.6-1 | 2.4.6-1 |
wiresharkDebian:14 |
before 2.4.6-1 | 2.4.6-1 |
wiresharkDebian:7 From an advisory covering 9 CVEs |
before 1.12.1+g01b65bf-4+deb8u6~deb7u11, plus listed versions 1.10.0-11.10.0-21.10.0-2~bpo70+11.10.0~rc1-11.10.0~rc2-1 Show 45 moreShow less1.10.1-11.10.1-1~bpo70+11.10.2-11.10.2-1~bpo70+11.10.2-21.10.3-11.10.3-1~bpo70+11.10.4-11.10.5-11.10.5-1~bpo70+11.10.5-21.10.6-11.10.6-1~bpo70+11.10.7-11.10.7-1~bpo70+11.10.7-21.10.7-31.10.7-41.10.8-11.10.8-1~bpo70+11.12.0+git+4fab41a1-11.12.0~rc1-11.12.0~rc1-21.12.0~rc2+git+fd017ee+dfsg1-11.12.0~rc3+git+e14d5b6eaa+dfsg1-11.12.1+g01b65bf-11.12.1+g01b65bf-1~bpo70+11.12.1+g01b65bf-21.12.1+g01b65bf-2~bpo70+11.12.1+g01b65bf-31.12.1+g01b65bf-41.12.1+g01b65bf-4~bpo70+11.8.2-5wheezy101.8.2-5wheezy111.8.2-5wheezy121.8.2-5wheezy131.8.2-5wheezy141.8.2-5wheezy151.8.2-5wheezy15~deb6u11.8.2-5wheezy161.8.2-5wheezy16~deb6u11.8.2-5wheezy171.8.2-5wheezy181.8.2-5wheezy21.8.2-5wheezy3 |
1.12.1+g01b65bf-4+deb8u6~deb7u11 |
wiresharkDebian:8 From an advisory covering 41 CVEs |
before 1.12.1+g01b65bf-4+deb8u16, plus listed versions 1.12.1+g01b65bf-41.12.1+g01b65bf-4+deb8u11.12.1+g01b65bf-4+deb8u101.12.1+g01b65bf-4+deb8u111.12.1+g01b65bf-4+deb8u12 Show 22 moreShow less1.12.1+g01b65bf-4+deb8u131.12.1+g01b65bf-4+deb8u141.12.1+g01b65bf-4+deb8u151.12.1+g01b65bf-4+deb8u21.12.1+g01b65bf-4+deb8u31.12.1+g01b65bf-4+deb8u41.12.1+g01b65bf-4+deb8u51.12.1+g01b65bf-4+deb8u61.12.1+g01b65bf-4+deb8u6~deb7u11.12.1+g01b65bf-4+deb8u6~deb7u101.12.1+g01b65bf-4+deb8u6~deb7u111.12.1+g01b65bf-4+deb8u6~deb7u21.12.1+g01b65bf-4+deb8u6~deb7u31.12.1+g01b65bf-4+deb8u6~deb7u41.12.1+g01b65bf-4+deb8u6~deb7u51.12.1+g01b65bf-4+deb8u6~deb7u61.12.1+g01b65bf-4+deb8u6~deb7u71.12.1+g01b65bf-4+deb8u6~deb7u81.12.1+g01b65bf-4+deb8u6~deb7u91.12.1+g01b65bf-4+deb8u71.12.1+g01b65bf-4+deb8u81.12.1+g01b65bf-4+deb8u9 |
1.12.1+g01b65bf-4+deb8u16 |
wiresharkUbuntu:14.04:LTS |
before 2.6.3-1~ubuntu14.04.1, plus listed versions 1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-11.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1 |
2.6.3-1~ubuntu14.04.1 |
wiresharkUbuntu:16.04:LTS |
before 2.6.3-1~ubuntu16.04.1, plus listed versions 1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04 |
2.6.3-1~ubuntu16.04.1 |
wiresharkUbuntu:18.04:LTS |
before 2.6.3-1~ubuntu18.04.1, plus listed versions 2.4.2-12.4.3-12.4.4-12.4.5-1 |
2.6.3-1~ubuntu18.04.1 |
wiresharkopenSUSE:Tumbleweed From an advisory covering 163 CVEs |
before 3.4.8-1.2 | 3.4.8-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9258 is a high vulnerability (CVSS 7.5) in Wireshark, published April 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.91%, the 79th percentile. Fixed in wireshark 2.4.6-r0.
References
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de1477df60b0188fd581c0c279db601978
lists.debian.org/debian-lts-announce/2018/05/msg00019.html
wireshark.org/security/wnpa-sec-2018-21.html
bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472
nvd.nist.gov/vuln/detail/CVE-2018-9258
Show 168 moreShow less
github.com/advisories/GHSA-jg7f-w5fw-2ppr
security.alpinelinux.org/vuln/CVE-2018-9258
security-tracker.debian.org/tracker/CVE-2018-9258
ubuntu.com/security/CVE-2018-9258
cve.org/CVERecord?id=CVE-2018-9258
suse.com/security/cve/CVE-2006-1932
This page doesn't list everything
Left out here: 13 versions. The JSON record has them.