CVE-2020-26418
MEDIUM
5.3
CVSS Score
Published: December 11, 2020 at 05:27 PM UTC
Updated: June 17, 2026 at 03:08 AM UTC
4 products affected across 4 vendorsDebian LinuxFedoraWireshark
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Severity
MEDIUM5.3
Exploit prediction
EPSS 3%
Description
Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Affected range stops below 3.2.9, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory 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://security.gentoo.org/glsa/202101-12
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.wireshark.org/security/wnpa-sec-2020-16.html
References (8)
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.jsonx_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://gitlab.com/wireshark/wireshark/-/issues/16739Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202101-12x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISCVendor Advisory
Source: [email protected]
https://www.wireshark.org/security/wnpa-sec-2020-16.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-401
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