CVE-2020-26419
First published: Fri Dec 11 2020(Updated: )
Memory leak in the dissection engine in Wireshark 3.4.0 allows denial of service via packet injection or crafted capture file.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | =3.4.0 | |
| Fedora | =32 | |
| Fedora | =33 | |
| Oracle Sun ZFS Storage Appliance Kit | =8.8 |
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Reference Links
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26419.json
- https://gitlab.com/wireshark/wireshark/-/issues/17032
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.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-2020-19.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
Frequently Asked Questions
What is the severity of CVE-2020-26419?
The severity of CVE-2020-26419 is classified as medium due to its potential for denial of service.
How do I fix CVE-2020-26419?
To fix CVE-2020-26419, upgrade to a later version of Wireshark that addresses this memory leak vulnerability.
What systems are affected by CVE-2020-26419?
CVE-2020-26419 affects Wireshark version 3.4.0 and specific versions of Fedora and Oracle ZFS Storage Appliance Kit.
What can be exploited in CVE-2020-26419?
CVE-2020-26419 can be exploited through packet injection or crafted capture files to cause a denial of service.
When was CVE-2020-26419 disclosed?
CVE-2020-26419 was disclosed in November 2020, affecting users of Wireshark 3.4.0.
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- collector/mitre-cve
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- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/remedy
- agent/author
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.4.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/32
- version/fedora/33
- vendor/oracle
- canonical/oracle sun zfs storage appliance kit
- version/oracle sun zfs storage appliance kit/8.8