In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005363 advisory.

    In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite     loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset     advancement.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite
    loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset
    advancement. (CVE-2020-26575)

  - In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in
    epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement. (CVE-2020-28030)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite     loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset     advancement. (CVE-2020-26575)

Note that Nessus relies on the presence of the package as reported by the vendor.

Several vulnerabilities were fixed in Wireshark, a network sniffer.

CVE-2019-13619

ASN.1 BER and related dissectors crash.

CVE-2019-16319

The Gryphon dissector could go into an infinite loop.

CVE-2019-19553

The CMS dissector could crash.

CVE-2020-7045

The BT ATT dissector could crash.

CVE-2020-9428

The EAP dissector could crash.

CVE-2020-9430

The WiMax DLMAP dissector could crash.

CVE-2020-9431

The LTE RRC dissector could leak memory.

CVE-2020-11647

The BACapp dissector could crash.

CVE-2020-13164

The NFS dissector could crash.

CVE-2020-15466

The GVCP dissector could go into an infinite loop.

CVE-2020-25862

The TCP dissector could crash.

CVE-2020-25863

The MIME Multipart dissector could crash.

CVE-2020-26418

Memory leak in the Kafka protocol dissector.

CVE-2020-26421

Crash in USB HID protocol dissector.

CVE-2020-26575

The Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop.

CVE-2020-28030

The GQUIC dissector could crash.

For Debian 9 stretch, these problems have been fixed in version 2.6.20-0+deb9u1.

We recommend that you upgrade your wireshark packages.

For the detailed security status of wireshark please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/wireshark

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

New version 3.4.0. Security fix for CVE-2020-26575, CVE-2020-28030.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for wireshark fixes the following issues :

wireshark was updated to 3.2.8 :

  - CVE-2020-26575: Fixed an issue where FBZERO dissector     was entering in infinite loop (bsc#1177406)

  - CVE-2020-28030: Fixed an issue where GQUIC dissector was     crashing (bsc#1178291)

  - Infinite memory allocation while parsing this tcp packet

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for wireshark fixes the following issues :

  - wireshark was updated to 3.2.8 :

  - CVE-2020-26575: Fixed an issue where FBZERO dissector     was entering in infinite loop (bsc#1177406)

  - CVE-2020-28030: Fixed an issue where GQUIC dissector was     crashing (bsc#1178291)

  - Infinite memory allocation while parsing this tcp packet

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

The remote host is affected by the vulnerability described in GLSA-202011-08 (Wireshark: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Wireshark. Please       review the CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

The version of Wireshark installed on the remote Windows host is prior to 3.2.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-3.2.8 advisory.

  - In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in     epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement. (CVE-2020-28030)

  - In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite     loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset     advancement. (CVE-2020-26575)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 3.2.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-3.2.8 advisory.

  - In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in     epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement. (CVE-2020-28030)

  - In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite     loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset     advancement. (CVE-2020-26575)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
299841	Unity Linux 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-005363)	Nessus	Unity Linux Local Security Checks	high
426405	Alpine: multiple wireshark packages, tshark: security update to 3.4.0-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	high
426405	Alpine: multiple wireshark packages, tshark: security update to 3.4.0-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high
223459	Linux Distros Unpatched Vulnerability : CVE-2020-26575	Nessus	Misc.	high
407676	Alpine: multiple wireshark packages, tshark: security update to 3.2.8-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	high
407676	Alpine: multiple wireshark packages, tshark: security update to 3.2.8-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high
146291	Debian DLA-2547-1 : wireshark security update	Nessus	Debian Local Security Checks	high
144175	Fedora 32 : 1:wireshark (2020-d4344dd12f)	Nessus	Fedora Local Security Checks	high
144163	Fedora 33 : 1:wireshark (2020-4cff262f07)	Nessus	Fedora Local Security Checks	high
143711	SUSE SLED15 / SLES15 Security Update : wireshark (SUSE-SU-2020:3376-1)	Nessus	SuSE Local Security Checks	high
143508	openSUSE Security Update : wireshark (openSUSE-2020-2107)	Nessus	SuSE Local Security Checks	high
143312	openSUSE Security Update : wireshark (openSUSE-2020-2076)	Nessus	SuSE Local Security Checks	high
142848	GLSA-202011-08 : Wireshark: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
142678	Wireshark 3.2.x < 3.2.8 Multiple Vulnerabilities	Nessus	Windows	high
142677	Wireshark 3.2.x < 3.2.8 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	high

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