CVE-2020-26421
- Source
- https://cve.org/CVERecord?id=CVE-2020-26421
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26421.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-26421
- Downstream
- Related
- Published
- 2020-12-11T19:15:12.357Z
- Modified
- 2026-03-15T22:35:37.358529Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
- https://www.wireshark.org/security/wnpa-sec-2020-17.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://security.gentoo.org/glsa/202101-12
- https://gitlab.com/wireshark/wireshark/-/issues/16958
- https://www.oracle.com/security-alerts/cpuApr2021.html
Affected packages
Git / github.com/wireshark/wireshark
Affected ranges
- Type
- GIT
- Repo
- https://github.com/wireshark/wireshark
- Events
-
IntroducedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "versions": [ { "introduced": "3.2.0" }, { "last_affected": "3.2.8" }, { "introduced": "0" }, { "last_affected": "3.4.0" }, { "introduced": "0" }, { "last_affected": "32" } ] }
Affected versions
v3.*
v3.2.0
v3.2.1
v3.2.1rc0
v3.2.2
v3.2.2rc0
v3.2.3
v3.2.3rc0
v3.2.4
v3.2.4rc0
v3.2.5
v3.2.5rc0
v3.2.6
v3.2.6rc0
v3.2.7
v3.2.7rc0
v3.2.8
v3.2.8rc0
wireshark-3.*
wireshark-3.2.0
wireshark-3.2.1
wireshark-3.2.2
wireshark-3.2.3
wireshark-3.2.4
wireshark-3.2.5
wireshark-3.2.6
wireshark-3.2.7
wireshark-3.2.8
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26421.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
}
]