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CVE-2023-0666

Wireshark RTPS Parsing Buffer Overflow

6.5 MediumFix available

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.27%Up 2.2 points since Jun 7, 2023
90%50%10%1%

What each source reports

NVD Score used 6.5

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
CVE-2023-0666
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-122, CWE-787
Updated
2026-11-02
CVE List 6.5

Wireshark RTPS Parsing Buffer Overflow

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
CVE-2023-0666
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-122
Updated
2026-11-02
EUVDEUVD-2023-12698 6.5

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
EUVD-2023-12698
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-p3q5-qxhp-fpcg 8.8

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark...

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
GHSA-p3q5-qxhp-fpcg
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-122, CWE-787
Updated
2026-11-02
OSV 6.5

Wireshark RTPS Parsing Buffer Overflow

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
CVE-2023-0666
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-122
Updated
2026-11-02
OSVDEBIAN-CVE-2023-0666 6.5

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
DEBIAN-CVE-2023-0666
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 15 moreShow less
OSVOESA-2024-1342 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1342
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2024-1427 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1427
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2024-1428 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1428
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2024-1429 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1429
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2024-1430 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1430
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2024-1431 6.5

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.(CVE-2023-0666)

Record
OESA-2024-1431
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2023:6469 6.5

Red Hat Security Advisory: wireshark security update

Record
RHSA-2023:6469
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2023:7015 6.5

Red Hat Security Advisory: wireshark security update

Record
RHSA-2023:7015
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRLSA-2023:7015 6.5

Moderate: wireshark security update

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

  • wireshark: RTPS dissector crash (CVE-2023-0666)

  • wireshark: VMS TCPIPtrace file parser crash (CVE-2023-2856)

  • wireshark: NetScaler file parser crash (CVE-2023-2858)

  • wireshark: XRA dissector infinite loop (CVE-2023-2952)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.9 Release Notes linked from the References section.

Record
RLSA-2023:7015
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-0666 6.5

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Record
UBUNTU-CVE-2023-0666
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2023:6469 No score

Moderate: wireshark security update

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

  • wireshark: RTPS dissector crash (CVE-2023-0666)
  • wireshark: IEEE C37.118 Synchrophasor dissector crash (CVE-2023-0668)
  • wireshark: Candump log file parser crash (CVE-2023-2855)
  • wireshark: VMS TCPIPtrace file parser crash (CVE-2023-2856)
  • wireshark: NetScaler file parser crash (CVE-2023-2858)
  • wireshark: XRA dissector infinite loop (CVE-2023-2952)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2023:6469
Updated
2026-11-02
OSVALSA-2023:7015 No score

Moderate: wireshark security update

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

  • wireshark: RTPS dissector crash (CVE-2023-0666)
  • wireshark: VMS TCPIPtrace file parser crash (CVE-2023-2856)
  • wireshark: NetScaler file parser crash (CVE-2023-2858)
  • wireshark: XRA dissector infinite loop (CVE-2023-2952)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2023:7015
Updated
2026-11-02
OSVCLSA-2026-1778128255 No score

wireshark: Fix of 8 CVEs

  • CVE-2022-0585: fix large/infinite loops in multiple dissectors (AMP, ATN-ULCS, BP, GDSDB, P_MUL, WAP, ZigBee ZCL, OpenFlow v5/v6, IPDC, TDS, ASN.1 PER, FT_UINT_BYTES/STRING)
  • CVE-2022-4344: fix Kafka dissector memory exhaustion via decompression/loop bounds
  • CVE-2023-0666: fix RTPS dissector heap-based buffer overflow in g_strlcpy dest_size
  • CVE-2023-0668: fix synphasor dissector heap-based out-of-bounds read via val_to_str_const
  • CVE-2023-2855: fix candump file parser stack buffer overflow on too-long frame length
  • CVE-2023-2856: fix VMS TCPIPtrace file parser stack overflow in packet length search
  • CVE-2023-2858: fix NetScaler nstrace v10 file parser heap buffer overflow
  • CVE-2023-2952: fix XRA dissector infinite loop via integer overflow
Record
CLSA-2026-1778128255
Updated
2026-11-02
OSVopenSUSE-SU-2024:12958-1 No score

libwireshark16-4.0.6-1.1 on GA media

These are all security issues fixed in the libwireshark16-4.0.6-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12958-1
Updated
2026-11-02
OSVSUSE-SU-2024:3165-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

wireshark was updated from version 3.6.23 to version 4.2.6 (jsc#PED-8517):

  • Security issues fixed with this update:

    • CVE-2024-0207: HTTP3 dissector crash (bsc#1218503)
    • CVE-2024-0210: Zigbee TLV dissector crash (bsc#1218506)
    • CVE-2024-0211: DOCSIS dissector crash (bsc#1218507)
    • CVE-2023-6174: Fixed SSH dissector crash (bsc#1217247)
    • CVE-2023-6175: NetScreen file parser crash (bsc#1217272)
    • CVE-2023-5371: RTPS dissector memory leak (bsc#1215959)
    • CVE-2023-3649: iSCSI dissector crash (bsc#1213318)
    • CVE-2023-2854: BLF file parser crash (bsc#1211708)
    • CVE-2023-0666: RTPS dissector crash (bsc#1211709)
    • CVE-2023-0414: EAP dissector crash (bsc#1207666)

  • Major changes introduced with versions 4.2.0 and 4.0.0:

  • Added an aditional desktopfile to start wireshark which asks for the super user password.

Record
SUSE-SU-2024:3165-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
AlmaLinux:9
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-cli
AlmaLinux:9
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-devel
AlmaLinux:9
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark
AlmaLinux:8
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-cli
AlmaLinux:8
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-devel
AlmaLinux:8
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark
TuxCare:AlmaLinux:9.2
From an advisory covering 8 CVEs
 before 1:3.4.10-4.el9.tuxcare.els8
1:3.4.10-4.el9.tuxcare.els8
wireshark-cli
TuxCare:AlmaLinux:9.2
From an advisory covering 8 CVEs
 before 1:3.4.10-4.el9.tuxcare.els8
1:3.4.10-4.el9.tuxcare.els8
wireshark-devel
TuxCare:AlmaLinux:9.2
From an advisory covering 8 CVEs
 before 1:3.4.10-4.el9.tuxcare.els8
1:3.4.10-4.el9.tuxcare.els8
wireshark
Debian:12
 before 4.0.6-1~deb12u1, plus listed versions
4.0.3-14.0.5-1~exp1
4.0.6-1~deb12u1
Show 38 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Debian:13
 before 4.0.6-1
4.0.6-1
wireshark
Debian:14
 before 4.0.6-1
4.0.6-1
wireshark
Debian:11
From an advisory covering 47 CVEs
 before 3.4.16-0+deb11u1, plus listed versions
3.4.10-0+deb11u13.4.4-13.4.6-1~exp13.4.7-13.4.7-1~exp13.4.8-13.4.9-1
3.4.16-0+deb11u1
wireshark
Debian:12
From an advisory covering 14 CVEs
 before 4.0.6-1~deb12u1, plus listed versions
4.0.3-14.0.5-1~exp1
4.0.6-1~deb12u1
wireshark
openEuler:22.03-LTS-SP3
 before 3.6.14-7.oe2203sp3
3.6.14-7.oe2203sp3
wireshark
openEuler:20.03-LTS-SP4
 before 3.6.14-7.oe2003sp4
3.6.14-7.oe2003sp4
wireshark
openEuler:22.03-LTS
 before 3.6.14-7.oe2203
3.6.14-7.oe2203
wireshark
openEuler:22.03-LTS-SP1
 before 3.6.14-7.oe2203sp1
3.6.14-7.oe2203sp1
wireshark
openEuler:22.03-LTS-SP2
 before 3.6.14-7.oe2203sp2
3.6.14-7.oe2203sp2
wireshark
openEuler:20.03-LTS-SP1
 before 3.6.14-7.oe1
3.6.14-7.oe1
wireshark
Red Hat:enterprise_linux:9::appstream
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-cli
Red Hat:enterprise_linux:9::appstream
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-cli-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-debugsource
Red Hat:enterprise_linux:9::appstream
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-cli-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-debugsource
Red Hat:enterprise_linux:9::crb
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark-devel
Red Hat:enterprise_linux:9::crb
From an advisory covering 6 CVEs
 before 1:3.4.10-6.el9
1:3.4.10-6.el9
wireshark
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-cli
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-cli-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-debugsource
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-cli-debuginfo
Red Hat:enterprise_linux:8::crb
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-debuginfo
Red Hat:enterprise_linux:8::crb
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-debugsource
Red Hat:enterprise_linux:8::crb
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark-devel
Red Hat:enterprise_linux:8::crb
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark
Rocky Linux:8
From an advisory covering 4 CVEs
 before 1:2.6.2-17.el8
1:2.6.2-17.el8
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP6
From an advisory covering 11 CVEs
 before 4.2.6-150600.18.6.1
4.2.6-150600.18.6.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP6
From an advisory covering 11 CVEs
 before 4.2.6-150600.18.6.1
4.2.6-150600.18.6.1
wireshark
openSUSE:Leap 15.6
From an advisory covering 11 CVEs
 before 4.2.6-150600.18.6.1
4.2.6-150600.18.6.1
wireshark
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
Show 9 moreShow less
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.12.6.5-1~ubuntu14.04.12.6.6-1~ubuntu14.04.02.6.8-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm22.6.10-1~ubuntu14.04.0~esm3
 None known
wireshark
Ubuntu:Pro:16.04:LTS
 All versions, 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
Show 8 moreShow less
2.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.02.6.5-1~ubuntu16.04.02.6.6-1~ubuntu16.04.02.6.8-1~ubuntu16.04.02.6.10-1~ubuntu16.04.02.6.10-1~ubuntu16.04.0+esm12.6.10-1~ubuntu16.04.0+esm2
 None known
wireshark
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.1
Show 7 moreShow less
2.6.4-2~ubuntu18.04.02.6.5-1~ubuntu18.04.02.6.6-1~ubuntu18.04.02.6.8-1~ubuntu18.04.02.6.10-1~ubuntu18.04.02.6.10-1~ubuntu18.04.0+esm12.6.10-1~ubuntu18.04.0+esm2
 None known
wireshark
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3.0.5-13.0.7-13.2.1-13.2.2-13.2.3-13.2.3-1ubuntu0.1~esm13.2.3-1ubuntu0.1~esm2
 None known
wireshark
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
3.4.7-1~exp13.4.9-13.6.2-1ubuntu13.6.2-23.6.2-2ubuntu0.1~esm1
 None known
wireshark
openSUSE:Tumbleweed
From an advisory covering 7 CVEs
 before 4.0.6-1.1
4.0.6-1.1

History

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

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

In short

CVE-2023-0666 is a medium vulnerability (CVSS 6.5) in Wireshark, published June 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.27%, the 83rd percentile. Fixed in wireshark 4.0.6-1~deb12u1.

References

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