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CVE-2018-9262

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was...

7.5 HighFix available

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

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

2.26%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
CVE-2018-9262
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV: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 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
CVE-2018-9262
Updated
2026-11-02
EUVDEUVD-2018-20856 No score

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
EUVD-2018-20856
Updated
2026-11-03
GitHub AdvisoriesGHSA-q29m-rrv6-mwgm 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was...

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
GHSA-q29m-rrv6-mwgm
CVSS 3.0
7.5 HighCVSS: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-2018-9262 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
ALPINE-CVE-2018-9262
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
CVE-2018-9262
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2018-9262 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
DEBIAN-CVE-2018-9262
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-9262 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Record
UBUNTU-CVE-2018-9262
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2018-0151 No score

Updated wireshark packages fix security vulnerabilities

The SIGCOMP dissector could crash (CVE-2018-7320).

Multiple dissectors could go into large infinite loops. All ASN.1 BER dissectors, along with the DICOM, DMP, LLTD, OpenFlow, RELOAD, RPCoRDMA, RPKI-Router, S7COMM, SCCP, Thread, Thrift, USB, and WCCP dissectors were susceptible (CVE-2018-7321,CVE-2018-7322, CVE-2018-7323, CVE-2018-7324, CVE-2018-7325, CVE-2018-7326, CVE-2018-7327, CVE-2018-7328, CVE-2018-7329, CVE-2018-7330, CVE-2018-7331, CVE-2018-7332, CVE-2018-7333).

The UMTS MAC dissector could crash (CVE-2018-7334).

The IEEE 802.11 dissector could crash (CVE-2018-7335)

The FCP dissector could crash (CVE-2018-7336).

The IPMI dissector could crash (CVE-2018-7417).

The SIGCOMP dissector could crash (CVE-2018-7418).

The NBAP disssector could crash (CVE-2018-7419).

The pcapng file parser could crash (CVE-2018-7420).

The LWAPP dissector could crash (CVE-2018-9256).

The MP4 dissector could crash (CVE-2018-9259).

The IEEE 802.15.4 dissector could crash (CVE-2018-9260).

The NBAP dissector could crash (CVE-2018-9261).

The VLAN dissector could crash (CVE-2018-9262).

The Kerberos dissector could crash (CVE-2018-9263).

The ADB dissector could crash (CVE-2018-9264).

Memory leaks in multiple dissectors (CVE-2018-9265, CVE-2018-9266, CVE-2018-9267, CVE-2018-9268, CVE-2018-9269, CVE-2018-9270, CVE-2018-9271, CVE-2018-9272, CVE-2018-9273, CVE-2018-9274).

Record
MGASA-2018-0151
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
OSVSUSE-SU-2018:0980-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • Update to wireshark 2.2.14, fix such issues:
    • bsc#1088200 VUL-0: wireshark: multiple vulnerabilities fixed in 2.2.14, 2.4.6
    • CVE-2018-9256: LWAPP dissector crash
    • CVE-2018-9260: IEEE 802.15.4 dissector crash
    • CVE-2018-9261: NBAP dissector crash
    • CVE-2018-9262: VLAN dissector crash
    • CVE-2018-9263: Kerberos dissector crash
    • CVE-2018-9264: ADB dissector crash
    • CVE-2018-9265: tn3270 dissector has a memory leak
    • CVE-2018-9266: ISUP dissector memory leak
    • CVE-2018-9267: LAPD dissector memory leak
    • CVE-2018-9268: SMB2 dissector memory leak
    • CVE-2018-9269: GIOP dissector memory leak
    • CVE-2018-9270: OIDS dissector memory leak
    • CVE-2018-9271: multipart dissector memory leak
    • CVE-2018-9272: h223 dissector memory leak
    • CVE-2018-9273: pcp dissector memory leak
    • CVE-2018-9274: failure message memory leak
    • CVE-2018-9259: MP4 dissector crash
Record
SUSE-SU-2018:0980-1
Updated
2026-11-02
OSVSUSE-SU-2018:0981-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • Update to wireshark 2.2.14, fix such issues:
    • bsc#1088200 VUL-0: wireshark: multiple vulnerabilities fixed in 2.2.14, 2.4.6
    • CVE-2018-9256: LWAPP dissector crash
    • CVE-2018-9260: IEEE 802.15.4 dissector crash
    • CVE-2018-9261: NBAP dissector crash
    • CVE-2018-9262: VLAN dissector crash
    • CVE-2018-9263: Kerberos dissector crash
    • CVE-2018-9264: ADB dissector crash
    • CVE-2018-9265: tn3270 dissector has a memory leak
    • CVE-2018-9266: ISUP dissector memory leak
    • CVE-2018-9267: LAPD dissector memory leak
    • CVE-2018-9268: SMB2 dissector memory leak
    • CVE-2018-9269: GIOP dissector memory leak
    • CVE-2018-9270: OIDS dissector memory leak
    • CVE-2018-9271: multipart dissector memory leak
    • CVE-2018-9272: h223 dissector memory leak
    • CVE-2018-9273: pcp dissector memory leak
    • CVE-2018-9274: failure message memory leak
    • CVE-2018-9259: MP4 dissector crash
Record
SUSE-SU-2018:0981-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.10
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.11
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.12
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.13
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.14
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.15
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.16
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.17
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.18
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.19
 2.2.0 up to 2.4.6-r0
2.4.6-r0
Show 25 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.20
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.21
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.22
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.23
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.24
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.5
 2.2.0 up to 2.2.14-r0
2.2.14-r0
wireshark
Alpine:v3.7
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.8
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.9
 2.2.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Debian:12
 before 2.4.6-1
2.4.6-1
wireshark
Debian:13
 before 2.4.6-1
2.4.6-1
wireshark
Debian:14
 before 2.4.6-1
2.4.6-1
wireshark
Debian:8
 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 less
1.12.1+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
wireshark
Mageia:6
 before 2.2.14-1.mga6
2.2.14-1.mga6
wireshark
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 2.2.14-40.25.1
2.2.14-40.25.1
wireshark
SUSE:Linux Enterprise Server 11 SP4
 before 2.2.14-40.25.1
2.2.14-40.25.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 2.2.14-40.25.1
2.2.14-40.25.1
wireshark
SUSE:Linux Enterprise Desktop 12 SP3
 before 2.2.14-48.24.1
2.2.14-48.24.1
wireshark
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 2.2.14-48.24.1
2.2.14-48.24.1
wireshark
SUSE:Linux Enterprise Server 12 SP3
 before 2.2.14-48.24.1
2.2.14-48.24.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.2.14-48.24.1
2.2.14-48.24.1
wireshark
Ubuntu: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
wireshark
Ubuntu: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
wireshark
Ubuntu: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
wireshark
openSUSE:Tumbleweed
 before 3.4.8-1.2
3.4.8-1.2

History

History
RecordedChangedSources
affectedOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-9262 is a high vulnerability (CVSS 7.5) in Wireshark, published February 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.26%, the 83rd percentile. Fixed in wireshark 2.4.6-r0.

References

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Left out here: 7 references. The JSON record has them.

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