High severity7.5NVD Advisory· Published Dec 30, 2021· Updated Jun 17, 2026
CVE-2021-4190
CVE-2021-4190
Description
Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29- osv-coords27 versionspkg:rpm/opensuse/libvirt&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/wireshark&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/wireshark&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/wireshark&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/wireshark&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/wireshark&distro=SUSE%20Manager%20Server%204.1
< 7.1.0-150300.6.23.1+ 26 more
- (no CPE)range: < 7.1.0-150300.6.23.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-2.1
- (no CPE)range: < 7.1.0-150300.6.23.1
- (no CPE)range: < 7.1.0-150300.6.23.1
- (no CPE)range: < 7.1.0-150300.6.23.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
- (no CPE)range: < 3.6.1-3.68.1
Patches
Vulnerability mechanics
References
7- gitlab.com/wireshark/wireshark/-/issues/17811nvdExploitIssue TrackingPatchThird Party Advisory
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.jsonnvdThird Party Advisory
- security.gentoo.org/glsa/202210-04nvdThird Party Advisory
- www.wireshark.org/security/wnpa-sec-2021-22.htmlnvdVendor Advisory
- lists.debian.org/debian-lts-announce/2024/09/msg00049.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/nvd
News mentions
0No linked articles in our index yet.