Every CVE Search/ Get API key

CVE-2018-19623

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a...

7.5 HighFix available

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

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

4.15%Up 1.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
CVE-2018-19623
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-787
Updated
2026-11-02
CVE List No score

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
CVE-2018-19623
Updated
2026-11-02
EUVDEUVD-2018-11308 No score

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
EUVD-2018-11308
Updated
2026-11-03
GitHub AdvisoriesGHSA-grq3-4qg5-2228 7.5

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a...

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
GHSA-grq3-4qg5-2228
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-787
Updated
2026-11-02
OSV 7.5

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
CVE-2018-19623
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-2018-19623 7.5

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
DEBIAN-CVE-2018-19623
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
OSVUBUNTU-CVE-2018-19623 7.5

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

Record
UBUNTU-CVE-2018-19623
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-2020:0362-1 No score

Security update for wireshark

This update for wireshark and libmaxminddb fixes the following issues:

Update wireshark to new major version 3.2.2 and introduce libmaxminddb for GeoIP support (bsc#1156288).

New features include:

  • Added support for 111 new protocols, including WireGuard, LoRaWAN, TPM 2.0, 802.11ax and QUIC
  • Improved support for existing protocols, like HTTP/2
  • Improved analytics and usability functionalities

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:0362-1
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-2018:4295-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to Wireshark 2.4.11 (bsc#1117740).

Security issues fixed:

  • CVE-2018-19625: The Wireshark dissection engine could crash (wnpa-sec-2018-51)
  • CVE-2018-19626: The DCOM dissector could crash (wnpa-sec-2018-52)
  • CVE-2018-19623: The LBMPDM dissector could crash (wnpa-sec-2018-53)
  • CVE-2018-19622: The MMSE dissector could go into an infinite loop (wnpa-sec-2018-54)
  • CVE-2018-19627: The IxVeriWave file parser could crash (wnpa-sec-2018-55)
  • CVE-2018-19624: The PVFS dissector could crash (wnpa-sec-2018-56)

Further bug fixes and updated protocol support as listed in:

Record
SUSE-SU-2018:4295-1
Updated
2026-11-02
OSVSUSE-SU-2018:4298-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to Wireshark 2.4.11 (bsc#1117740).

Security issues fixed:

  • CVE-2018-19625: The Wireshark dissection engine could crash (wnpa-sec-2018-51)
  • CVE-2018-19626: The DCOM dissector could crash (wnpa-sec-2018-52)
  • CVE-2018-19623: The LBMPDM dissector could crash (wnpa-sec-2018-53)
  • CVE-2018-19622: The MMSE dissector could go into an infinite loop (wnpa-sec-2018-54)
  • CVE-2018-19627: The IxVeriWave file parser could crash (wnpa-sec-2018-55)
  • CVE-2018-19624: The PVFS dissector could crash (wnpa-sec-2018-56)

Further bug fixes and updated protocol support as listed in:

Record
SUSE-SU-2018:4298-1
Updated
2026-11-02
OSVSUSE-SU-2020:0693-1 No score

Security update for wireshark

This update for wireshark and libmaxminddb fixes the following issues:

Update wireshark to new major version 3.2.2 and introduce libmaxminddb for GeoIP support (bsc#1156288).

New features include:

  • Added support for 111 new protocols, including WireGuard, LoRaWAN, TPM 2.0, 802.11ax and QUIC
  • Improved support for existing protocols, like HTTP/2
  • Improved analytics and usability functionalities
Record
SUSE-SU-2020:0693-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:12
 before 2.6.5-1
2.6.5-1
wireshark
Debian:13
 before 2.6.5-1
2.6.5-1
wireshark
Debian:14
 before 2.6.5-1
2.6.5-1
wireshark
Debian: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 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
Debian:9
From an advisory covering 11 CVEs
 before 2.6.5-1~deb9u1, plus listed versions
2.2.6+g32dac6a-22.2.6+g32dac6a-2+deb9u12.2.6+g32dac6a-2+deb9u22.2.6+g32dac6a-2+deb9u32.2.7-1
Show 14 moreShow less
2.4.0-12.4.1-12.4.2-12.4.3-12.4.4-12.4.5-12.4.6-12.6.1-12.6.2-12.6.2-22.6.3-12.6.3-1~deb9u12.6.4-12.6.4-2
2.6.5-1~deb9u1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15
From an advisory covering 6 CVEs
 before 2.4.11-3.15.1
2.4.11-3.15.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 6 CVEs
 before 2.4.11-3.15.1
2.4.11-3.15.1
wireshark
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Desktop 12 SP4
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
Show 29 moreShow less
Affected packages
PackageAffectedFixed
wireshark
SUSE:Linux Enterprise Software Development Kit 12 SP4
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Server 12 SP4
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
From an advisory covering 6 CVEs
 before 2.4.11-48.35.1
2.4.11-48.35.1
libmaxminddb
SUSE:Linux Enterprise Module for Basesystem 15 SP1
From an advisory covering 59 CVEs
 before 1.4.2-1.3.1
1.4.2-1.3.1
spandsp
SUSE:Linux Enterprise Module for Basesystem 15 SP1
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP1
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
spandsp
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
libmaxminddb
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 59 CVEs
 before 1.4.2-1.3.1
1.4.2-1.3.1
spandsp
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
libmaxminddb
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 59 CVEs
 before 1.4.2-1.3.1
1.4.2-1.3.1
spandsp
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
libmaxminddb
SUSE:Linux Enterprise Server 15-LTSS
From an advisory covering 59 CVEs
 before 1.4.2-1.3.1
1.4.2-1.3.1
spandsp
SUSE:Linux Enterprise Server 15-LTSS
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise Server 15-LTSS
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
libmaxminddb
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 59 CVEs
 before 1.4.2-1.3.1
1.4.2-1.3.1
spandsp
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 59 CVEs
 before 0.0.6-3.2.1
0.0.6-3.2.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 59 CVEs
 before 3.2.2-3.35.2
3.2.2-3.35.2
wireshark
Ubuntu:14.04:LTS
 before 2.6.5-1~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+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.1
2.6.5-1~ubuntu14.04.1
wireshark
Ubuntu:16.04:LTS
 before 2.6.5-1~ubuntu16.04.0, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.042.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.0
2.6.5-1~ubuntu16.04.0
wireshark
Ubuntu:18.04:LTS
 before 2.6.5-1~ubuntu18.04.0, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.12.6.4-2~ubuntu18.04.0
2.6.5-1~ubuntu18.04.0
libmaxminddb
openSUSE:Leap 15.1
From an advisory covering 59 CVEs
 before 1.4.2-lp151.3.3.1
1.4.2-lp151.3.3.1
spandsp
openSUSE:Leap 15.1
From an advisory covering 59 CVEs
 before 0.0.6-lp151.3.3.1
0.0.6-lp151.3.3.1
wireshark
openSUSE:Leap 15.1
From an advisory covering 59 CVEs
 before 3.2.2-lp151.2.9.1
3.2.2-lp151.2.9.1
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
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-19623 is a high vulnerability (CVSS 7.5) in Wireshark, published November 29, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.15%, the 90th percentile. Fixed in wireshark 2.6.5-1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 15 references. The JSON record has them.

Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open