CVE-2020-26419: Memory leak in the dissection engine in Wireshark 3.4.0 allows denial of service via packet injection or crafted capture file

Medium severity · published Dec 11, 2020

CVE-2020-26419

Memory leak in the dissection engine in Wireshark 3.4.0 allows denial of service via packet injection or crafted capture file

5.3

CVSS

2.9%

EPSS

On KEV

Description

Memory leak in the dissection engine in Wireshark 3.4.0 allows denial of service via packet injection or crafted capture file.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.9% · higher than 87% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Fedora · Fedoraproject

32; 33 · source: NVD

Wireshark · Wireshark

3.4.0 · source: NVD

Zfs Storage Appliance Kit · Oracle

8.8 · source: NVD

Affected product

Fedora

Fedoraproject

All Fedora CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-26419

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-26419

Third Party Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26419.json

Exploit

https://gitlab.com/wireshark/wireshark/-/issues/17032

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/

Third Party Advisory

https://security.gentoo.org/glsa/202101-12

Patch

https://www.oracle.com/security-alerts/cpuApr2021.html