Name: CVE-2020-26421: Out-of-bounds Read
Published: 2020-12-11T00:00:00.000Z
Keywords: CVE, CVE-2020-26421, CWE-125, CVSS 4.2, EPSS 0.02589

Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

CVSS Details

CVSS 3.1 Base Score: 4.2
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	View advisory ↗View advisory ↗	alpine-linux-upgrade-wireshark	Aug 22, 2024	Dec 11, 2020
Debian	View advisory ↗	debian-upgrade-wireshark	Feb 8, 2021	Dec 11, 2020
Gentoo Linux	View advisory ↗	gentoo-linux-upgrade-net-analyzer-wireshark	Jan 25, 2021	Dec 11, 2020
Oracle Solaris	View advisory ↗	oracle-solaris-11-4-upgrade-diagnostic-wireshark-3-4-1-11-4-30-0-1-88-0oracle-solaris-11-4-upgrade-diagnostic-wireshark-tshark-3-4-1-11-4-30-0-1-88-0oracle-solaris-11-4-upgrade-diagnostic-wireshark-wireshark-common-3-4-1-11-4-30-0-1-88-0	Feb 17, 2021	Dec 11, 2020
Redhat_linux	View advisory ↗	no-fix-redhat-rpm-package	Jul 9, 2025	Dec 11, 2020
Suse	—	suse-upgrade-libqt5-qtmultimedia-develsuse-upgrade-libqt5-qtmultimedia-private-headers-develsuse-upgrade-libqt5multimedia5suse-upgrade-libsbc1suse-upgrade-libsbc1-32bitsuse-upgrade-libvirtsuse-upgrade-libvirt-adminsuse-upgrade-libvirt-clientsuse-upgrade-libvirt-daemonsuse-upgrade-libvirt-daemon-config-networksuse-upgrade-libvirt-daemon-config-nwfiltersuse-upgrade-libvirt-daemon-driver-interfacesuse-upgrade-libvirt-daemon-driver-libxlsuse-upgrade-libvirt-daemon-driver-lxcsuse-upgrade-libvirt-daemon-driver-networksuse-upgrade-libvirt-daemon-driver-nodedevsuse-upgrade-libvirt-daemon-driver-nwfiltersuse-upgrade-libvirt-daemon-driver-qemususe-upgrade-libvirt-daemon-driver-secretsuse-upgrade-libvirt-daemon-driver-storagesuse-upgrade-libvirt-daemon-driver-storage-coresuse-upgrade-libvirt-daemon-driver-storage-disksuse-upgrade-libvirt-daemon-driver-storage-iscsisuse-upgrade-libvirt-daemon-driver-storage-logicalsuse-upgrade-libvirt-daemon-driver-storage-mpathsuse-upgrade-libvirt-daemon-driver-storage-rbdsuse-upgrade-libvirt-daemon-driver-storage-scsisuse-upgrade-libvirt-daemon-hookssuse-upgrade-libvirt-daemon-lxcsuse-upgrade-libvirt-daemon-qemususe-upgrade-libvirt-daemon-xensuse-upgrade-libvirt-develsuse-upgrade-libvirt-docsuse-upgrade-libvirt-libssuse-upgrade-libvirt-lock-sanlocksuse-upgrade-libvirt-nsssuse-upgrade-libwireshark14suse-upgrade-libwiretap11suse-upgrade-libwsutil12suse-upgrade-sbcsuse-upgrade-sbc-develsuse-upgrade-wiresharksuse-upgrade-wireshark-develsuse-upgrade-wireshark-ui-qt	Jun 23, 2021	Dec 11, 2020
Ubuntu	View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗	no-fix-ubuntu-package	Jun 26, 2025	Dec 11, 2020
Wireshark	View advisory ↗View advisory ↗	wireshark-upgrade-3_2_9wireshark-upgrade-3_4_1	Dec 21, 2020	Dec 11, 2020

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