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CVE-2018-9257

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed...

7.5 HighFix available

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

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

1.82%Up 1.0 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, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
CVE-2018-9257
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-835
Updated
2026-11-02
CVE List No score

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
CVE-2018-9257
Updated
2026-11-02
EUVDEUVD-2018-20851 No score

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
EUVD-2018-20851
Updated
2026-11-03
GitHub AdvisoriesGHSA-h56g-vjc8-2cgw 7.5

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed...

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
GHSA-h56g-vjc8-2cgw
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-835
Updated
2026-11-02
OSVALPINE-CVE-2018-9257 7.5

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
ALPINE-CVE-2018-9257
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, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
CVE-2018-9257
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-2018-9257 7.5

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
DEBIAN-CVE-2018-9257
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-2018-9257 7.5

In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.

Record
UBUNTU-CVE-2018-9257
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
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

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.10
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.11
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.12
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.13
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.14
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.15
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.16
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.17
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.18
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.19
 2.4.0 up to 2.4.6-r0
2.4.6-r0
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Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.20
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.21
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.22
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.23
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.24
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.5
 2.4.0 up to 2.2.14-r0
2.2.14-r0
wireshark
Alpine:v3.7
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.8
 2.4.0 up to 2.4.6-r0
2.4.6-r0
wireshark
Alpine:v3.9
 2.4.0 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
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
From an advisory covering 163 CVEs
 before 3.4.8-1.2
3.4.8-1.2

History

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

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

In short

CVE-2018-9257 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 1.82%, the 78th percentile. Fixed in wireshark 2.4.6-r0.

References

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