Unrated severityNVD Advisory· Published Dec 30, 2021· Updated Nov 3, 2025
CVE-2021-4182
CVE-2021-4182
Description
Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 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: < 3.6.1-1.1
- (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- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/mitrevendor-advisory
- security.gentoo.org/glsa/202210-04mitrevendor-advisory
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4182.jsonmitre
- gitlab.com/wireshark/wireshark/-/issues/17801mitre
- www.oracle.com/security-alerts/cpuapr2022.htmlmitre
- www.wireshark.org/security/wnpa-sec-2021-20.htmlmitre
News mentions
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