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CVE-2018-9271

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory...

7.5 HighFix available

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

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

2.02%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, epan/dissectors/packet-multipart.c has a memory leak.

Record
CVE-2018-9271
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-772
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, epan/dissectors/packet-multipart.c has a memory leak.

Record
CVE-2018-9271
Updated
2026-11-02
EUVDEUVD-2018-20865 No score

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Record
EUVD-2018-20865
Updated
2026-11-03
GitHub AdvisoriesGHSA-xgv2-269m-88cx 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory...

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Record
GHSA-xgv2-269m-88cx
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-772
Updated
2026-11-02
OSV 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Record
CVE-2018-9271
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
OSVDEBIAN-CVE-2018-9271 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Record
DEBIAN-CVE-2018-9271
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 4 moreShow less
OSVUBUNTU-CVE-2018-9271 7.5

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-multipart.c has a memory leak.

Record
UBUNTU-CVE-2018-9271
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
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
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
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
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Affected packages
PackageAffectedFixed
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

History

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

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

In short

CVE-2018-9271 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 2.02%, the 81st percentile. Fixed in wireshark 2.4.6-1.

References

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